12942975923 has 4 divisors (see below), whose sum is σ = 12971802600. Its totient is φ = 12914149248.

The previous prime is 12942975919. The next prime is 12942975937. The reversal of 12942975923 is 32957924921.

12942975923 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.

It is a cyclic number.

It is not a de Polignac number, because 12942975923 - 2² = 12942975919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12942975953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14412665 + ... + 14413562.

It is an arithmetic number, because the mean of its divisors is an integer number (3242950650).

Almost surely, 2^12942975923 is an apocalyptic number.

12942975923 is a deficient number, since it is larger than the sum of its proper divisors (28826677).

12942975923 is an equidigital number, since it uses as much as digits as its factorization.

12942975923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28826676.

The product of its digits is 2449440, while the sum is 53.

The spelling of 12942975923 in words is "twelve billion, nine hundred forty-two million, nine hundred seventy-five thousand, nine hundred twenty-three".