23155130 has 16 divisors (see below), whose sum is σ = 42149160. Its totient is φ = 9157632.

The previous prime is 23155127. The next prime is 23155147. The reversal of 23155130 is 3155132.

It can be written as a sum of positive squares in 4 ways, for example, as 17952169 + 5202961 = 4237^2 + 2281^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12119 + ... + 13898.

Almost surely, 2^23155130 is an apocalyptic number.

23155130 is a deficient number, since it is larger than the sum of its proper divisors (18994030).

23155130 is a wasteful number, since it uses less digits than its factorization.

23155130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26113.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 23155130 is about 4811.9777638721. The cubic root of 23155130 is about 285.0246413495.

The spelling of 23155130 in words is "twenty-three million, one hundred fifty-five thousand, one hundred thirty".