23508916 has 6 divisors (see below), whose sum is σ = 41140610. Its totient is φ = 11754456.

The previous prime is 23508913. The next prime is 23508929. The reversal of 23508916 is 61980532.

It can be written as a sum of positive squares in only one way, i.e., 16728100 + 6780816 = 4090^2 + 2604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23508913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2938611 + ... + 2938618.

Almost surely, 2^23508916 is an apocalyptic number.

It is an amenable number.

23508916 is a deficient number, since it is larger than the sum of its proper divisors (17631694).

23508916 is a wasteful number, since it uses less digits than its factorization.

23508916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877233 (or 5877231 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 23508916 is about 4848.5993853896. The cubic root of 23508916 is about 286.4689358159.

The spelling of 23508916 in words is "twenty-three million, five hundred eight thousand, nine hundred sixteen".