313691923 has 8 divisors (see below), whose sum is σ = 325780928. Its totient is φ = 301820904.

The previous prime is 313691921. The next prime is 313691933. The reversal of 313691923 is 329196313.

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 313691923 - 2¹ = 313691921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313691921) 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, 51561 + ... + 57322.

It is an arithmetic number, because the mean of its divisors is an integer number (40722616).

Almost surely, 2^313691923 is an apocalyptic number.

313691923 is a deficient number, since it is larger than the sum of its proper divisors (12089005).

313691923 is a wasteful number, since it uses less digits than its factorization.

313691923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108993.

The product of its digits is 26244, while the sum is 37.

The square root of 313691923 is about 17711.3501179329. The cubic root of 313691923 is about 679.4660767020.

It can be divided in two parts, 3136 and 91923, that added together give a palindrome (95059).

The spelling of 313691923 in words is "three hundred thirteen million, six hundred ninety-one thousand, nine hundred twenty-three".