23165130 has 32 divisors (see below), whose sum is σ = 55796544. Its totient is φ = 6155136.

The previous prime is 23165119. The next prime is 23165137. The reversal of 23165130 is 3156132.

It is a junction number, because it is equal to n+sod(n) for n = 23165097 and 23165106.

It is not an unprimeable number, because it can be changed into a prime (23165137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8157 + ... + 10623.

It is an arithmetic number, because the mean of its divisors is an integer number (1743642).

Almost surely, 2^23165130 is an apocalyptic number.

23165130 is an abundant number, since it is smaller than the sum of its proper divisors (32631414).

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

23165130 is a wasteful number, since it uses less digits than its factorization.

23165130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 23165130 is about 4813.0167255059. The cubic root of 23165130 is about 285.0656666169.

The spelling of 23165130 in words is "twenty-three million, one hundred sixty-five thousand, one hundred thirty".