23980564 has 24 divisors (see below), whose sum is σ = 44137800. Its totient is φ = 11383680.

The previous prime is 23980549. The next prime is 23980643. The reversal of 23980564 is 46508932.

It can be written as a sum of positive squares in 4 ways, for example, as 3802500 + 20178064 = 1950^2 + 4492^2 .

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 7 ways as a sum of consecutive naturals, for example, 5382 + ... + 8770.

It is an arithmetic number, because the mean of its divisors is an integer number (1839075).

Almost surely, 2^23980564 is an apocalyptic number.

It is an amenable number.

23980564 is a deficient number, since it is larger than the sum of its proper divisors (20157236).

23980564 is a wasteful number, since it uses less digits than its factorization.

23980564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483 (or 3481 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 23980564 is about 4896.9954053481. The cubic root of 23980564 is about 288.3720275809.

The spelling of 23980564 in words is "twenty-three million, nine hundred eighty thousand, five hundred sixty-four".