An electrophotographic photosensitive member comprising: a laminated body, and a hole transporting layer formed on the laminated body, wherein the laminated body comprises: a conductive support, an electron transporting layer formed on the support, and a charge generating layer formed on the electron transporting layer, wherein the electron transporting layer is a layer comprising a polymerized product of a composition comprising an electron transporting substance having a polymerizable functional group, a thermoplastic resin having a polymerizable functional group, and a crosslinking agent, wherein the electron transporting substance having a polymerizable functional group has a content of 30% by mass or more and 70% by mass or less with respect to the total mass of the composition, wherein the laminated body satisfies the following expression: R_opt / R_dark ≤ 0.95 where, in the expression, R_opt represents impedance of the laminated body measured by the steps of: forming, on a surface of the charge generating layer, a circular-shaped gold electrode having a thickness of 300 nm and a diameter of 10 mm by sputtering, and applying, between the conductive support and the circular-shaped gold electrode, an alternating electric field having a voltage of 100 mV and a frequency of 0.1 Hz while irradiating the surface of the charge generating layer with light having a wavelength of 400 nm to 800 nm and having intensity of 30 μJ/cm 2 ·s, and measuring the impedance, and R_dark represents impedance of the laminated body measured by the steps of: forming, on a surface of the charge generating layer, a circular-shaped gold electrode having a thickness of 300 nm and a diameter of 10 mm by sputtering, and applying, between the conductive support and the circular-shaped gold electrode, an alternating electric field having a voltage of 100 mV and a frequency of 0.1 Hz without irradiating the surface of the charge generating layer with light, and measuring the impedance. a laminated body, and a hole transporting layer formed on the laminated body, wherein the laminated body comprises: a conductive support, an electron transporting layer formed on the support, and a charge generating layer formed on the electron transporting layer, a conductive support, an electron transporting layer formed on the support, and a charge generating layer formed on the electron transporting layer, wherein the electron transporting layer is a layer comprising a polymerized product of a composition comprising an electron transporting substance having a polymerizable functional group, a thermoplastic resin having a polymerizable functional group, and a crosslinking agent, wherein the electron transporting substance having a polymerizable functional group has a content of 30% by mass or more and 70% by mass or less with respect to the total mass of the composition, wherein the laminated body satisfies the following expression: R_opt / R_dark ≤ 0.95 where, in the expression, R_opt represents impedance of the laminated body measured by the steps of: forming, on a surface of the charge generating layer, a circular-shaped gold electrode having a thickness of 300 nm and a diameter of 10 mm by sputtering, and applying, between the conductive support and the circular-shaped gold electrode, an alternating electric field having a voltage of 100 mV and a frequency of 0.1 Hz while irradiating the surface of the charge generating layer with light having a wavelength of 400 nm to 800 nm and having intensity of 30 μJ/cm 2 ·s, and measuring the impedance, and R_dark represents impedance of the laminated body measured by the steps of: forming, on a surface of the charge generating layer, a circular-shaped gold electrode having a thickness of 300 nm and a diameter of 10 mm by sputtering, and applying, between the conductive support and the circular-shaped gold electrode, an alternating electric field having a voltage of 100 mV and a frequency of 0.1 Hz without irradiating the surface of the charge generating layer with light, and measuring the impedance. forming, on a surface of the charge generating layer, a circular-shaped gold electrode having a thickness of 300 nm and a diameter of 10 mm by sputtering, and applying, between the conductive support and the circular-shaped gold electrode, an alternating electric field having a voltage of 100 mV and a frequency of 0.1 Hz while irradiating the surface of the charge generating layer with light having a wavelength of 400 nm to 800 nm and having intensity of 30 μJ/cm 2 ·s, and measuring the impedance, and R_dark represents impedance of the laminated body measured by the steps of: forming, on a surface of the charge generating layer, a circular-shaped gold electrode having a thickness of 300 nm and a diameter of 10 mm by sputtering, and applying, between the conductive support and the circular-shaped gold electrode, an alternating electric field having a voltage of 100 mV and a frequency of 0.1 Hz without irradiating the surface of the charge generating layer with light, and measuring the impedance. forming, on a surface of the charge generating layer, a circular-shaped gold electrode having a thickness of 300 nm and a diameter of 10 mm by sputtering, and applying, between the conductive support and the circular-shaped gold electrode, an alternating electric field having a voltage of 100 mV and a frequency of 0.1 Hz without irradiating the surface of the charge generating layer with light, and measuring the impedance.