Fait général: 18345 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 18345 is a boring number.
Culture générale: 18345 is an unremarkable number.
Date historique: March 23rd is the day in 1400 that the Tran Dynasty of Vietnam is deposed after one hundred and seventy-five years of rule by Ho Quy Ly, a court official.