23055885 has 12 divisors (see below), whose sum is σ = 39963612. Its totient is φ = 12296448.

The previous prime is 23055881. The next prime is 23055917. The reversal of 23055885 is 58855032.

23055885 is a `hidden beast` number, since 23 + 0 + 558 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12981609 + 10074276 = 3603^2 + 3174^2 .

It is not a de Polignac number, because 23055885 - 2² = 23055881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256132 + ... + 256221.

It is an arithmetic number, because the mean of its divisors is an integer number (3330301).

Almost surely, 2^23055885 is an apocalyptic number.

It is an amenable number.

23055885 is a deficient number, since it is larger than the sum of its proper divisors (16907727).

23055885 is a wasteful number, since it uses less digits than its factorization.

23055885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512364 (or 512361 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 23055885 is about 4801.6544023909. The cubic root of 23055885 is about 284.6168443015.

The spelling of 23055885 in words is "twenty-three million, fifty-five thousand, eight hundred eighty-five".