317822423 has 2 divisors, whose sum is σ = 317822424. Its totient is φ = 317822422.

The previous prime is 317822399. The next prime is 317822467. The reversal of 317822423 is 324228713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317822423 - 2⁶ = 317822359 is a prime.

It is a super-2 number, since 2×317822423² = 202022185123181858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317822423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310822423) 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 as a sum of consecutive naturals, namely, 158911211 + 158911212.

It is an arithmetic number, because the mean of its divisors is an integer number (158911212).

Almost surely, 2^317822423 is an apocalyptic number.

317822423 is a deficient number, since it is larger than the sum of its proper divisors (1).

317822423 is an equidigital number, since it uses as much as digits as its factorization.

317822423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 317822423 is about 17827.5747929997. The cubic root of 317822423 is about 682.4353442309.

The spelling of 317822423 in words is "three hundred seventeen million, eight hundred twenty-two thousand, four hundred twenty-three".