23 (number) - Wikipedia
https://en.wikipedia.org/wiki/23_(number)
WEBTwenty-three is the ninth prime number, the smallest odd prime that is not a twin prime. [1] It is, however, a cousin prime with 19, and a sexy prime with 17 and 29; while also being the largest member of the first prime sextuplet ( 7, 11, 13, 17, 19, 23). [2]
DA: 53 PA: 35 MOZ Rank: 71