23057620 has 12 divisors (see below), whose sum is σ = 48421044. Its totient is φ = 9223040.

The previous prime is 23057609. The next prime is 23057633. The reversal of 23057620 is 2675032.

It can be written as a sum of positive squares in 2 ways, for example, as 10355524 + 12702096 = 3218^2 + 3564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576421 + ... + 576460.

It is an arithmetic number, because the mean of its divisors is an integer number (4035087).

Almost surely, 2^23057620 is an apocalyptic number.

23057620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23057620 is an abundant number, since it is smaller than the sum of its proper divisors (25363424).

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

23057620 is a wasteful number, since it uses less digits than its factorization.

23057620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152890 (or 1152888 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 23057620 is about 4801.8350658889. The cubic root of 23057620 is about 284.6239834453.

The spelling of 23057620 in words is "twenty-three million, fifty-seven thousand, six hundred twenty".