23564085 has 32 divisors (see below), whose sum is σ = 40176000. Its totient is φ = 11759616.

The previous prime is 23564081. The next prime is 23564087. The reversal of 23564085 is 58046532.

It is not a de Polignac number, because 23564085 - 2² = 23564081 is a prime.

It is a super-2 number, since 2×23564085² = 1110532203774450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23564081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24901 + ... + 25829.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 2^23564085 is an apocalyptic number.

It is an amenable number.

23564085 is a deficient number, since it is larger than the sum of its proper divisors (16611915).

23564085 is a wasteful number, since it uses less digits than its factorization.

23564085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 23564085 is about 4854.2852202976. The cubic root of 23564085 is about 286.6928488495.

It can be divided in two parts, 2356 and 4085, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 23564085 in words is "twenty-three million, five hundred sixty-four thousand, eighty-five".