Fait général: 23684 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 23684 is an uninteresting number.
Culture générale: 23684 is an unremarkable number.
Date historique: November 3rd is the day in 1333 that the River Arno flooding causing massive damage in Florence as recorded by the Florentine chronicler Giovanni Villani.