12323020231031 has 4 divisors (see below), whose sum is σ = 12323029230864. Its totient is φ = 12323011231200.

The previous prime is 12323020231003. The next prime is 12323020231037. The reversal of 12323020231031 is 13013202032321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12323020231031 - 2³⁴ = 12305840361847 is a prime.

It is a super-2 number, since 2×12323020231031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12323020230988 and 12323020231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323020231037) 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, 1973075 + ... + 5342196.

It is an arithmetic number, because the mean of its divisors is an integer number (3080757307716).

Almost surely, 2^{12323020231031} is an apocalyptic number.

12323020231031 is a deficient number, since it is larger than the sum of its proper divisors (8999833).

12323020231031 is an equidigital number, since it uses as much as digits as its factorization.

12323020231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8999832.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12323020231031 its reverse (13013202032321), we get a palindrome (25336222263352).

The spelling of 12323020231031 in words is "twelve trillion, three hundred twenty-three billion, twenty million, two hundred thirty-one thousand, thirty-one".