23091313 has 8 divisors (see below), whose sum is σ = 26426432. Its totient is φ = 19765296.

The previous prime is 23091283. The next prime is 23091329. The reversal of 23091313 is 31319032.

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

It is a cyclic number.

It is not a de Polignac number, because 23091313 - 2⁵ = 23091281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23091353) 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, 4531 + ... + 8167.

It is an arithmetic number, because the mean of its divisors is an integer number (3303304).

Almost surely, 2^23091313 is an apocalyptic number.

It is an amenable number.

23091313 is a deficient number, since it is larger than the sum of its proper divisors (3335119).

23091313 is an equidigital number, since it uses as much as digits as its factorization.

23091313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 23091313 is about 4805.3421314200. The cubic root of 23091313 is about 284.7625517885.

The spelling of 23091313 in words is "twenty-three million, ninety-one thousand, three hundred thirteen".