23913656 has 16 divisors (see below), whose sum is σ = 48287400. Its totient is φ = 11037024.

The previous prime is 23913649. The next prime is 23913683. The reversal of 23913656 is 65631932.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114866 + ... + 115073.

Almost surely, 2^23913656 is an apocalyptic number.

23913656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23913656 is an abundant number, since it is smaller than the sum of its proper divisors (24373744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23913656 is a wasteful number, since it uses less digits than its factorization.

23913656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229958 (or 229954 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 23913656 is about 4890.1590976164. The cubic root of 23913656 is about 288.1035828538.

The spelling of 23913656 in words is "twenty-three million, nine hundred thirteen thousand, six hundred fifty-six".