23872856 has 16 divisors (see below), whose sum is σ = 51156240. Its totient is φ = 10231200.

The previous prime is 23872841. The next prime is 23872867. The reversal of 23872856 is 65827832.

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 in 3 ways as a sum of consecutive naturals, for example, 213095 + ... + 213206.

It is an arithmetic number, because the mean of its divisors is an integer number (3197265).

Almost surely, 2^23872856 is an apocalyptic number.

It is an amenable number.

23872856 is an abundant number, since it is smaller than the sum of its proper divisors (27283384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23872856 is a wasteful number, since it uses less digits than its factorization.

23872856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426314 (or 426310 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 23872856 is about 4885.9856733314. The cubic root of 23872856 is about 287.9396414148.

The spelling of 23872856 in words is "twenty-three million, eight hundred seventy-two thousand, eight hundred fifty-six".