23452564 has 12 divisors (see below), whose sum is σ = 41604724. Its totient is φ = 11565504.

The previous prime is 23452547. The next prime is 23452573. The reversal of 23452564 is 46525432.

It can be written as a sum of positive squares in 2 ways, for example, as 6708100 + 16744464 = 2590^2 + 4092^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39867 + ... + 40450.

Almost surely, 2^23452564 is an apocalyptic number.

It is an amenable number.

23452564 is a deficient number, since it is larger than the sum of its proper divisors (18152160).

23452564 is a wasteful number, since it uses less digits than its factorization.

23452564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80394 (or 80392 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 23452564 is about 4842.7847360790. The cubic root of 23452564 is about 286.2398594197.

Adding to 23452564 its reverse (46525432), we get a palindrome (69977996).

The spelling of 23452564 in words is "twenty-three million, four hundred fifty-two thousand, five hundred sixty-four".