23555856 has 40 divisors (see below), whose sum is σ = 61146880. Its totient is φ = 7814016.

The previous prime is 23555827. The next prime is 23555869. The reversal of 23555856 is 65855532.

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, 9921 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (1528672).

Almost surely, 2^23555856 is an apocalyptic number.

It is an amenable number.

23555856 is an abundant number, since it is smaller than the sum of its proper divisors (37591024).

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

23555856 is a wasteful number, since it uses less digits than its factorization.

23555856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2377 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 23555856 is about 4853.4375446687. The cubic root of 23555856 is about 286.6594722069.

The spelling of 23555856 in words is "twenty-three million, five hundred fifty-five thousand, eight hundred fifty-six".