23297131 has 8 divisors (see below), whose sum is σ = 27370224. Its totient is φ = 19549920.

The previous prime is 23297117. The next prime is 23297149. The reversal of 23297131 is 13179232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23297131 is a prime.

It is a super-2 number, since 2×23297131² = 1085512625662322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23297131.

It is not an unprimeable number, because it can be changed into a prime (23297111) 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, 81316 + ... + 81601.

It is an arithmetic number, because the mean of its divisors is an integer number (3421278).

Almost surely, 2^23297131 is an apocalyptic number.

23297131 is a deficient number, since it is larger than the sum of its proper divisors (4073093).

23297131 is a wasteful number, since it uses less digits than its factorization.

23297131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162941.

The product of its digits is 2268, while the sum is 28.

The square root of 23297131 is about 4826.7101632478. The cubic root of 23297131 is about 285.6061011010.

The spelling of 23297131 in words is "twenty-three million, two hundred ninety-seven thousand, one hundred thirty-one".