317977123 has 8 divisors (see below), whose sum is σ = 322647696. Its totient is φ = 313315200.

The previous prime is 317977111. The next prime is 317977147. The reversal of 317977123 is 321779713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 317977123 - 2⁹ = 317976611 is a prime.

It is a super-2 number, since 2×317977123² = 202218901502714258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317977183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124368 + ... + 126898.

It is an arithmetic number, because the mean of its divisors is an integer number (40330962).

Almost surely, 2^317977123 is an apocalyptic number.

317977123 is a deficient number, since it is larger than the sum of its proper divisors (4670573).

317977123 is a wasteful number, since it uses less digits than its factorization.

317977123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325.

The product of its digits is 55566, while the sum is 40.

The square root of 317977123 is about 17831.9130493618. The cubic root of 317977123 is about 682.5460513591.

The spelling of 317977123 in words is "three hundred seventeen million, nine hundred seventy-seven thousand, one hundred twenty-three".