23426856 has 48 divisors (see below), whose sum is σ = 63704160. Its totient is φ = 7777440.

The previous prime is 23426839. The next prime is 23426869. The reversal of 23426856 is 65862432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23426856.

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, 23341 + ... + 24323.

It is an arithmetic number, because the mean of its divisors is an integer number (1327170).

Almost surely, 2^23426856 is an apocalyptic number.

It is an amenable number.

23426856 is an abundant number, since it is smaller than the sum of its proper divisors (40277304).

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

23426856 is a wasteful number, since it uses less digits than its factorization.

23426856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1319 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 23426856 is about 4840.1297503269. The cubic root of 23426856 is about 286.1352319864.

The spelling of 23426856 in words is "twenty-three million, four hundred twenty-six thousand, eight hundred fifty-six".