23563755 has 12 divisors (see below), whose sum is σ = 40843920. Its totient is φ = 12567312.

The previous prime is 23563733. The next prime is 23563759. The reversal of 23563755 is 55736532.

23563755 is a `hidden beast` number, since 23 + 563 + 75 + 5 = 666.

It is not a de Polignac number, because 23563755 - 2⁵ = 23563723 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23563759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261775 + ... + 261864.

It is an arithmetic number, because the mean of its divisors is an integer number (3403660).

Almost surely, 2^23563755 is an apocalyptic number.

23563755 is a deficient number, since it is larger than the sum of its proper divisors (17280165).

23563755 is a wasteful number, since it uses less digits than its factorization.

23563755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523650 (or 523647 counting only the distinct ones).

The product of its digits is 94500, while the sum is 36.

The square root of 23563755 is about 4854.2512295925. The cubic root of 23563755 is about 286.6915105264.

The spelling of 23563755 in words is "twenty-three million, five hundred sixty-three thousand, seven hundred fifty-five".