319842923121 has 24 divisors (see below), whose sum is σ = 486457739040. Its totient is φ = 201945052800.

The previous prime is 319842923107. The next prime is 319842923123. The reversal of 319842923121 is 121329248913.

319842923121 is a `hidden beast` number, since 3 + 198 + 429 + 2 + 31 + 2 + 1 = 666.

319842923121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 319842923121 - 2²² = 319838728817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (319842923123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288841 + ... + 850361.

It is an arithmetic number, because the mean of its divisors is an integer number (20269072460).

Almost surely, 2^319842923121 is an apocalyptic number.

It is an amenable number.

319842923121 is a deficient number, since it is larger than the sum of its proper divisors (166614815919).

319842923121 is a wasteful number, since it uses less digits than its factorization.

319842923121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564877 (or 564874 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 319842923121 in words is "three hundred nineteen billion, eight hundred forty-two million, nine hundred twenty-three thousand, one hundred twenty-one".