12310331023 has 4 divisors (see below), whose sum is σ = 13034468160. Its totient is φ = 11586193888.

The previous prime is 12310330999. The next prime is 12310331029. The reversal of 12310331023 is 32013301321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12310331023 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 (12310331029) 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, 362068543 + ... + 362068576.

It is an arithmetic number, because the mean of its divisors is an integer number (3258617040).

Almost surely, 2^12310331023 is an apocalyptic number.

12310331023 is a deficient number, since it is larger than the sum of its proper divisors (724137137).

12310331023 is an equidigital number, since it uses as much as digits as its factorization.

12310331023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724137136.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12310331023 its reverse (32013301321), we get a palindrome (44323632344).

The spelling of 12310331023 in words is "twelve billion, three hundred ten million, three hundred thirty-one thousand, twenty-three".