317287157323 has 2 divisors, whose sum is σ = 317287157324. Its totient is φ = 317287157322.

The previous prime is 317287157269. The next prime is 317287157333. The reversal of 317287157323 is 323751782713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317287157323 - 2¹³ = 317287149131 is a prime.

It is a super-2 number, since 2×317287157323² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (317287157333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158643578661 + 158643578662.

It is an arithmetic number, because the mean of its divisors is an integer number (158643578662).

Almost surely, 2^317287157323 is an apocalyptic number.

317287157323 is a deficient number, since it is larger than the sum of its proper divisors (1).

317287157323 is an equidigital number, since it uses as much as digits as its factorization.

317287157323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The spelling of 317287157323 in words is "three hundred seventeen billion, two hundred eighty-seven million, one hundred fifty-seven thousand, three hundred twenty-three".