23636560 has 40 divisors (see below), whose sum is σ = 55175040. Its totient is φ = 9416832.

The previous prime is 23636489. The next prime is 23636567. The reversal of 23636560 is 6563632.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23636567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28309 + ... + 29131.

It is an arithmetic number, because the mean of its divisors is an integer number (1379376).

Almost surely, 2^23636560 is an apocalyptic number.

23636560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23636560 is an abundant number, since it is smaller than the sum of its proper divisors (31538480).

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

23636560 is a wasteful number, since it uses less digits than its factorization.

23636560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 23636560 is about 4861.7445428570. The cubic root of 23636560 is about 286.9864708098.

The spelling of 23636560 in words is "twenty-three million, six hundred thirty-six thousand, five hundred sixty".