313123393 has 16 divisors (see below), whose sum is σ = 347691456. Its totient is φ = 279613440.

The previous prime is 313123333. The next prime is 313123441. The reversal of 313123393 is 393321313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313123393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313123313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175321 + ... + 177097.

It is an arithmetic number, because the mean of its divisors is an integer number (21730716).

Almost surely, 2^313123393 is an apocalyptic number.

It is an amenable number.

313123393 is a deficient number, since it is larger than the sum of its proper divisors (34568063).

313123393 is a wasteful number, since it uses less digits than its factorization.

313123393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its digits is 4374, while the sum is 28.

The square root of 313123393 is about 17695.2929616890. The cubic root of 313123393 is about 679.0553441455.

The spelling of 313123393 in words is "three hundred thirteen million, one hundred twenty-three thousand, three hundred ninety-three".