317117123 has 8 divisors (see below), whose sum is σ = 332041248. Its totient is φ = 302287744.

The previous prime is 317117111. The next prime is 317117149. The reversal of 317117123 is 321711713.

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 317117123 - 2¹⁴ = 317100739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317117092 and 317117101.

It is not an unprimeable number, because it can be changed into a prime (317117173) 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, 16790 + ... + 30267.

It is an arithmetic number, because the mean of its divisors is an integer number (41505156).

Almost surely, 2^317117123 is an apocalyptic number.

317117123 is a deficient number, since it is larger than the sum of its proper divisors (14924125).

317117123 is a wasteful number, since it uses less digits than its factorization.

317117123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47373.

The product of its digits is 882, while the sum is 26.

The square root of 317117123 is about 17807.7826525371. The cubic root of 317117123 is about 681.9301584239.

Adding to 317117123 its reverse (321711713), we get a palindrome (638828836).

The spelling of 317117123 in words is "three hundred seventeen million, one hundred seventeen thousand, one hundred twenty-three".