23130280 has 32 divisors (see below), whose sum is σ = 52230240. Its totient is φ = 9218880.

The previous prime is 23130253. The next prime is 23130287. The reversal of 23130280 is 8203132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23130287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12367 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (1632195).

Almost surely, 2^23130280 is an apocalyptic number.

23130280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130280 is an abundant number, since it is smaller than the sum of its proper divisors (29099960).

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

23130280 is a wasteful number, since it uses less digits than its factorization.

23130280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 23130280 is about 4809.3949723432. The cubic root of 23130280 is about 284.9226423883.

The spelling of 23130280 in words is "twenty-three million, one hundred thirty thousand, two hundred eighty".