23163770 has 48 divisors (see below), whose sum is σ = 49728168. Its totient is φ = 7741440.

The previous prime is 23163769. The next prime is 23163787. The reversal of 23163770 is 7736132.

It can be written as a sum of positive squares in 4 ways, for example, as 15976009 + 7187761 = 3997^2 + 2681^2 .

It is a super-2 number, since 2×23163770² = 1073120481225800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19514 + ... + 20666.

Almost surely, 2^23163770 is an apocalyptic number.

23163770 is an abundant number, since it is smaller than the sum of its proper divisors (26564398).

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

23163770 is a wasteful number, since it uses less digits than its factorization.

23163770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 23163770 is about 4812.8754399008. The cubic root of 23163770 is about 285.0600878743.

The spelling of 23163770 in words is "twenty-three million, one hundred sixty-three thousand, seven hundred seventy".