317665886423 has 4 divisors (see below), whose sum is σ = 317724383088. Its totient is φ = 317607389760.

The previous prime is 317665886383. The next prime is 317665886441. The reversal of 317665886423 is 324688566713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324688566713 = 7 ⋅46384080959.

It is a cyclic number.

It is not a de Polignac number, because 317665886423 - 2⁶ = 317665886359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317665886023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29240186 + ... + 29251047.

It is an arithmetic number, because the mean of its divisors is an integer number (79431095772).

Almost surely, 2^317665886423 is an apocalyptic number.

317665886423 is a deficient number, since it is larger than the sum of its proper divisors (58496665).

317665886423 is an equidigital number, since it uses as much as digits as its factorization.

317665886423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58496664.

The product of its digits is 34836480, while the sum is 59.

The spelling of 317665886423 in words is "three hundred seventeen billion, six hundred sixty-five million, eight hundred eighty-six thousand, four hundred twenty-three".