23040664 has 16 divisors (see below), whose sum is σ = 45079920. Its totient is φ = 11019360.

The previous prime is 23040653. The next prime is 23040679. The reversal of 23040664 is 46604032.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 62427 + ... + 62794.

It is an arithmetic number, because the mean of its divisors is an integer number (2817495).

Almost surely, 2^23040664 is an apocalyptic number.

It is an amenable number.

23040664 is a deficient number, since it is larger than the sum of its proper divisors (22039256).

23040664 is a wasteful number, since it uses less digits than its factorization.

23040664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125250 (or 125246 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 23040664 is about 4800.0691661683. The cubic root of 23040664 is about 284.5541978713.

Adding to 23040664 its reverse (46604032), we get a palindrome (69644696).

It can be divided in two parts, 2 and 3040664, that multiplied together give a triangular number (6081328 = T₃₄₈₇).

The spelling of 23040664 in words is "twenty-three million, forty thousand, six hundred sixty-four".