23213312313 has 4 divisors (see below), whose sum is σ = 30951083088. Its totient is φ = 15475541540.

The previous prime is 23213312279. The next prime is 23213312329. The reversal of 23213312313 is 31321331232.

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 23213312313 - 2¹⁷ = 23213181241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23213312393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868885383 + ... + 3868885388.

It is an arithmetic number, because the mean of its divisors is an integer number (7737770772).

Almost surely, 2^23213312313 is an apocalyptic number.

It is an amenable number.

23213312313 is a deficient number, since it is larger than the sum of its proper divisors (7737770775).

23213312313 is an equidigital number, since it uses as much as digits as its factorization.

23213312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737770774.

The product of its digits is 1944, while the sum is 24.

Adding to 23213312313 its reverse (31321331232), we get a palindrome (54534643545).

The spelling of 23213312313 in words is "twenty-three billion, two hundred thirteen million, three hundred twelve thousand, three hundred thirteen".