23820256 has 24 divisors (see below), whose sum is σ = 47668824. Its totient is φ = 11713920.

The previous prime is 23820229. The next prime is 23820257. The reversal of 23820256 is 65202832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23820257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4150 + ... + 8053.

It is an arithmetic number, because the mean of its divisors is an integer number (1986201).

Almost surely, 2^23820256 is an apocalyptic number.

It is an amenable number.

23820256 is an abundant number, since it is smaller than the sum of its proper divisors (23848568).

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

23820256 is a wasteful number, since it uses less digits than its factorization.

23820256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12274 (or 12266 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 23820256 is about 4880.5999631193. The cubic root of 23820256 is about 287.7280096711.

The spelling of 23820256 in words is "twenty-three million, eight hundred twenty thousand, two hundred fifty-six".