12321031203023 has 4 divisors (see below), whose sum is σ = 12321038754048. Its totient is φ = 12321023652000.

The previous prime is 12321031203007. The next prime is 12321031203049. The reversal of 12321031203023 is 32030213012321.

12321031203023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12321031203023 - 2⁴ = 12321031203007 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 12321031203023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321031203623) 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, 197978 + ... + 4968023.

It is an arithmetic number, because the mean of its divisors is an integer number (3080259688512).

Almost surely, 2^{12321031203023} is an apocalyptic number.

12321031203023 is a deficient number, since it is larger than the sum of its proper divisors (7551025).

12321031203023 is an equidigital number, since it uses as much as digits as its factorization.

12321031203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551024.

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

Adding to 12321031203023 its reverse (32030213012321), we get a palindrome (44351244215344).

The spelling of 12321031203023 in words is "twelve trillion, three hundred twenty-one billion, thirty-one million, two hundred three thousand, twenty-three".