23131130 has 16 divisors (see below), whose sum is σ = 45421344. Its totient is φ = 8411280.

The previous prime is 23131111. The next prime is 23131181. The reversal of 23131130 is 3113132.

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, 105032 + ... + 105251.

It is an arithmetic number, because the mean of its divisors is an integer number (2838834).

Almost surely, 2^23131130 is an apocalyptic number.

23131130 is a deficient number, since it is larger than the sum of its proper divisors (22290214).

23131130 is a wasteful number, since it uses less digits than its factorization.

23131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210301.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 23131130 is about 4809.4833402352. The cubic root of 23131130 is about 284.9261324928.

Adding to 23131130 its reverse (3113132), we get a palindrome (26244262).

It can be divided in two parts, 2313 and 1130, that added together give a palindrome (3443).

The spelling of 23131130 in words is "twenty-three million, one hundred thirty-one thousand, one hundred thirty".