317877854123 has 2 divisors, whose sum is σ = 317877854124. Its totient is φ = 317877854122.

The previous prime is 317877854111. The next prime is 317877854131. The reversal of 317877854123 is 321458778713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317877854123 - 2¹⁸ = 317877591979 is a prime.

It is not a weakly prime, because it can be changed into another prime (317877814123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158938927061 + 158938927062.

It is an arithmetic number, because the mean of its divisors is an integer number (158938927062).

Almost surely, 2^317877854123 is an apocalyptic number.

317877854123 is a deficient number, since it is larger than the sum of its proper divisors (1).

317877854123 is an equidigital number, since it uses as much as digits as its factorization.

317877854123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7902720, while the sum is 56.

The spelling of 317877854123 in words is "three hundred seventeen billion, eight hundred seventy-seven million, eight hundred fifty-four thousand, one hundred twenty-three".