23863904 has 12 divisors (see below), whose sum is σ = 46982124. Its totient is φ = 11931936.

The previous prime is 23863891. The next prime is 23863909. The reversal of 23863904 is 40936832.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23863909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372842 + ... + 372905.

It is an arithmetic number, because the mean of its divisors is an integer number (3915177).

Almost surely, 2^23863904 is an apocalyptic number.

It is an amenable number.

23863904 is a deficient number, since it is larger than the sum of its proper divisors (23118220).

23863904 is an equidigital number, since it uses as much as digits as its factorization.

23863904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745757 (or 745749 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 23863904 is about 4885.0694979703. The cubic root of 23863904 is about 287.9036457505.

The spelling of 23863904 in words is "twenty-three million, eight hundred sixty-three thousand, nine hundred four".