12320323313 has 4 divisors (see below), whose sum is σ = 12855989568. Its totient is φ = 11784657060.

The previous prime is 12320323289. The next prime is 12320323399. The reversal of 12320323313 is 31332302321.

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 12320323313 - 2¹⁶ = 12320257777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 535666231 = 12320323313 / (1 + 2 + 3 + 2 + 0 + 3 + 2 + 3 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320323513) 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, 267833093 + ... + 267833138.

It is an arithmetic number, because the mean of its divisors is an integer number (3213997392).

Almost surely, 2^12320323313 is an apocalyptic number.

It is an amenable number.

12320323313 is a deficient number, since it is larger than the sum of its proper divisors (535666255).

12320323313 is an equidigital number, since it uses as much as digits as its factorization.

12320323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535666254.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12320323313 its reverse (31332302321), we get a palindrome (43652625634).

The spelling of 12320323313 in words is "twelve billion, three hundred twenty million, three hundred twenty-three thousand, three hundred thirteen".