23056434 has 16 divisors (see below), whose sum is σ = 51236640. Its totient is φ = 7685460.

The previous prime is 23056417. The next prime is 23056441. The reversal of 23056434 is 43465032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23056398 and 23056407.

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, 213432 + ... + 213539.

It is an arithmetic number, because the mean of its divisors is an integer number (3202290).

Almost surely, 2^23056434 is an apocalyptic number.

23056434 is an abundant number, since it is smaller than the sum of its proper divisors (28180206).

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

23056434 is a wasteful number, since it uses less digits than its factorization.

23056434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426982 (or 426976 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 23056434 is about 4801.7115698467. The cubic root of 23056434 is about 284.6191033546.

The spelling of 23056434 in words is "twenty-three million, fifty-six thousand, four hundred thirty-four".