23267856 has 80 divisors (see below), whose sum is σ = 65392640. Its totient is φ = 7102080.

The previous prime is 23267843. The next prime is 23267863. The reversal of 23267856 is 65876232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27861 + ... + 28683.

It is an arithmetic number, because the mean of its divisors is an integer number (817408).

Almost surely, 2^23267856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23267856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32696320).

23267856 is an abundant number, since it is smaller than the sum of its proper divisors (42124784).

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

23267856 is a wasteful number, since it uses less digits than its factorization.

23267856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 878 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 23267856 is about 4823.6766060755. The cubic root of 23267856 is about 285.4864207960.

The spelling of 23267856 in words is "twenty-three million, two hundred sixty-seven thousand, eight hundred fifty-six".