23564634 has 32 divisors (see below), whose sum is σ = 48755520. Its totient is φ = 7587072.

The previous prime is 23564603. The next prime is 23564641. The reversal of 23564634 is 43646532.

It is a junction number, because it is equal to n+sod(n) for n = 23564595 and 23564604.

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 15 ways as a sum of consecutive naturals, for example, 39442 + ... + 40034.

It is an arithmetic number, because the mean of its divisors is an integer number (1523610).

Almost surely, 2^23564634 is an apocalyptic number.

23564634 is an abundant number, since it is smaller than the sum of its proper divisors (25190886).

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

23564634 is a wasteful number, since it uses less digits than its factorization.

23564634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its digits is 51840, while the sum is 33.

The square root of 23564634 is about 4854.3417679434. The cubic root of 23564634 is about 286.6950753049.

The spelling of 23564634 in words is "twenty-three million, five hundred sixty-four thousand, six hundred thirty-four".