12312304023 has 4 divisors (see below), whose sum is σ = 16416405368. Its totient is φ = 8208202680.

The previous prime is 12312304013. The next prime is 12312304031. The reversal of 12312304023 is 32040321321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32040321321 = 3 ⋅10680107107.

It is not a de Polignac number, because 12312304023 - 2¹² = 12312299927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312304013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052050668 + ... + 2052050673.

It is an arithmetic number, because the mean of its divisors is an integer number (4104101342).

Almost surely, 2^12312304023 is an apocalyptic number.

12312304023 is a deficient number, since it is larger than the sum of its proper divisors (4104101345).

12312304023 is an equidigital number, since it uses as much as digits as its factorization.

12312304023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104101344.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12312304023 its reverse (32040321321), we get a palindrome (44352625344).

The spelling of 12312304023 in words is "twelve billion, three hundred twelve million, three hundred four thousand, twenty-three".