23045564 has 24 divisors (see below), whose sum is σ = 41146560. Its totient is φ = 11291904.

The previous prime is 23045497. The next prime is 23045573. The reversal of 23045564 is 46554032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73472 + ... + 73784.

It is an arithmetic number, because the mean of its divisors is an integer number (1714440).

Almost surely, 2^23045564 is an apocalyptic number.

It is an amenable number.

23045564 is a deficient number, since it is larger than the sum of its proper divisors (18100996).

23045564 is a wasteful number, since it uses less digits than its factorization.

23045564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 23045564 is about 4800.5795483462. The cubic root of 23045564 is about 284.5743682498.

Adding to 23045564 its reverse (46554032), we get a palindrome (69599596).

The spelling of 23045564 in words is "twenty-three million, forty-five thousand, five hundred sixty-four".