316323973 has 4 divisors (see below), whose sum is σ = 361513120. Its totient is φ = 271134828.

The previous prime is 316323971. The next prime is 316323977. The reversal of 316323973 is 379323613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 379323613 = 23 ⋅16492331.

It is a cyclic number.

It is not a de Polignac number, because 316323973 - 2¹ = 316323971 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 (316323971) 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, 22594563 + ... + 22594576.

It is an arithmetic number, because the mean of its divisors is an integer number (90378280).

Almost surely, 2^316323973 is an apocalyptic number.

It is an amenable number.

316323973 is a deficient number, since it is larger than the sum of its proper divisors (45189147).

316323973 is an equidigital number, since it uses as much as digits as its factorization.

316323973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45189146.

The product of its digits is 61236, while the sum is 37.

The square root of 316323973 is about 17785.4989527986. The cubic root of 316323973 is about 681.3611526066.

The spelling of 316323973 in words is "three hundred sixteen million, three hundred twenty-three thousand, nine hundred seventy-three".