Fatto generale: 23774 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 23774 is an uninteresting number.
Trivia: 23774 is a boring number.
Data storica: February 1st is the day in 1709 that Alexander Selkirk is rescued after being shipwrecked on a desert island, inspiring the book Robinson Crusoe by Daniel Defoe.