23131180 has 24 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 9212160.

The previous prime is 23131111. The next prime is 23131181. The reversal of 23131180 is 8113132.

It is not an unprimeable number, because it can be changed into a prime (23131181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421 + ... + 7219.

It is an arithmetic number, because the mean of its divisors is an integer number (2032800).

Almost surely, 2^23131180 is an apocalyptic number.

23131180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23131180 is an abundant number, since it is smaller than the sum of its proper divisors (25656020).

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

23131180 is a wasteful number, since it uses less digits than its factorization.

23131180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 23131180 is about 4809.4885382959. The cubic root of 23131180 is about 284.9263377904.

The spelling of 23131180 in words is "twenty-three million, one hundred thirty-one thousand, one hundred eighty".