12311302323 has 4 divisors (see below), whose sum is σ = 16415069768. Its totient is φ = 8207534880.

The previous prime is 12311302309. The next prime is 12311302363. The reversal of 12311302323 is 32320311321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12311302323 - 2¹⁷ = 12311171251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12311302323.

It is not an unprimeable number, because it can be changed into a prime (12311302303) 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, 2051883718 + ... + 2051883723.

It is an arithmetic number, because the mean of its divisors is an integer number (4103767442).

Almost surely, 2^12311302323 is an apocalyptic number.

12311302323 is a deficient number, since it is larger than the sum of its proper divisors (4103767445).

12311302323 is an equidigital number, since it uses as much as digits as its factorization.

12311302323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103767444.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12311302323 its reverse (32320311321), we get a palindrome (44631613644).

The spelling of 12311302323 in words is "twelve billion, three hundred eleven million, three hundred two thousand, three hundred twenty-three".