23668856 has 8 divisors (see below), whose sum is σ = 44379120. Its totient is φ = 11834424.

The previous prime is 23668847. The next prime is 23668907. The reversal of 23668856 is 65886632.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1479296 + ... + 1479311.

It is an arithmetic number, because the mean of its divisors is an integer number (5547390).

Almost surely, 2^23668856 is an apocalyptic number.

It is an amenable number.

23668856 is a deficient number, since it is larger than the sum of its proper divisors (20710264).

23668856 is a wasteful number, since it uses less digits than its factorization.

23668856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958613 (or 2958609 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 23668856 is about 4865.0648505441. The cubic root of 23668856 is about 287.1171200652.

The spelling of 23668856 in words is "twenty-three million, six hundred sixty-eight thousand, eight hundred fifty-six".