23512313 has 4 divisors (see below), whose sum is σ = 25649808. Its totient is φ = 21374820.

The previous prime is 23512277. The next prime is 23512319. The reversal of 23512313 is 31321532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23512313 - 2¹⁴ = 23495929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23512319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068731 + ... + 1068752.

It is an arithmetic number, because the mean of its divisors is an integer number (6412452).

Almost surely, 2^23512313 is an apocalyptic number.

It is an amenable number.

23512313 is a deficient number, since it is larger than the sum of its proper divisors (2137495).

23512313 is a wasteful number, since it uses less digits than its factorization.

23512313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137494.

The product of its digits is 540, while the sum is 20.

The square root of 23512313 is about 4848.9496800854. The cubic root of 23512313 is about 286.4827332493.

Adding to 23512313 its reverse (31321532), we get a palindrome (54833845).

It can be divided in two parts, 2351 and 2313, that added together give a palindrome (4664).

The spelling of 23512313 in words is "twenty-three million, five hundred twelve thousand, three hundred thirteen".