Question: what is 23 as an integer?
Answer: For 23 to be an integer, 23 has to be a whole number. Furthermore, for 23 to be an integer, you should be able to write 23 without a fractional or decimal component. 23 is a whole number that can be written without a fractional component, thus 23 is an integer. The answer to the question: "Is 23 an integer?" is YES.