23

23 (twenty-three) is a positive integer following 22 and preceding 24. It is an . It is also the highest possible prime factor of any cycle length of any algorithm on an NxNxN puzzle cube.
== In googology ==
*In Greek-based number-naming systems, 23 is associated with prefix "triaicosa-", and with prefix "treviginti-" in Latin systems.
*Garrett Wilkinson calls this number the king's dozen.King's dozen - N U M B 3 R - P 3 D 1 A
== In pope numbering ==
Its Roman numeral (XXIII) is the highest number, which has been used in a name of a (namely, ) or an (namely, ).
== Sources ==
Category:Numbers
Category:Class 1
Category:Numbers 0-99
Category:Numbers with 1 to 2 digits
Category:Prime numbers