23231313 has 32 divisors (see below), whose sum is σ = 39755520. Its totient is φ = 13132800.

The previous prime is 23231267. The next prime is 23231317. The reversal of 23231313 is 31313232.

It is not a de Polignac number, because 23231313 - 2¹⁷ = 23100241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18481 + ... + 19697.

It is an arithmetic number, because the mean of its divisors is an integer number (1242360).

Almost surely, 2^23231313 is an apocalyptic number.

It is an amenable number.

23231313 is a deficient number, since it is larger than the sum of its proper divisors (16524207).

23231313 is a wasteful number, since it uses less digits than its factorization.

23231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1328 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 23231313 is about 4819.8872393449. The cubic root of 23231313 is about 285.3368869413.

Adding to 23231313 its reverse (31313232), we get a palindrome (54544545).

The spelling of 23231313 in words is "twenty-three million, two hundred thirty-one thousand, three hundred thirteen".