Hecho matemático: 23701 is an uninteresting number.
Trivia: 23701 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: November 20th is the day in 1994 that the Angolan government and UNITA rebels sign the Lusaka Protocol in Zambia, ending 19 years of civil war (localized fighting resumes the next year).