23261856 has 48 divisors (see below), whose sum is σ = 61344864. Its totient is φ = 7718144.

The previous prime is 23261837. The next prime is 23261869. The reversal of 23261856 is 65816232.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×23261856² = 1082227889129472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27715 + ... + 28541.

It is an arithmetic number, because the mean of its divisors is an integer number (1278018).

Almost surely, 2^23261856 is an apocalyptic number.

It is an amenable number.

23261856 is an abundant number, since it is smaller than the sum of its proper divisors (38083008).

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

23261856 is a wasteful number, since it uses less digits than its factorization.

23261856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1125 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 23261856 is about 4823.0546337358. The cubic root of 23261856 is about 285.4618795608.

The spelling of 23261856 in words is "twenty-three million, two hundred sixty-one thousand, eight hundred fifty-six".