23056398 has 24 divisors (see below), whose sum is σ = 50661936. Its totient is φ = 7576800.

The previous prime is 23056379. The next prime is 23056417. The reversal of 23056398 is 89365032.

23056398 is a `hidden beast` number, since 2 + 3 + 0 + 563 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (23056379) and next prime (23056417).

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 11 ways as a sum of consecutive naturals, for example, 7743 + ... + 10298.

It is an arithmetic number, because the mean of its divisors is an integer number (2110914).

Almost surely, 2^23056398 is an apocalyptic number.

23056398 is an abundant number, since it is smaller than the sum of its proper divisors (27605538).

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

23056398 is a wasteful number, since it uses less digits than its factorization.

23056398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18120 (or 18117 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 23056398 is about 4801.7078211820. The cubic root of 23056398 is about 284.6189552211.

The spelling of 23056398 in words is "twenty-three million, fifty-six thousand, three hundred ninety-eight".