312023123317 has 2 divisors, whose sum is σ = 312023123318. Its totient is φ = 312023123316.

The previous prime is 312023123303. The next prime is 312023123323. The reversal of 312023123317 is 713321320213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309181593681 + 2841529636 = 556041^2 + 53306^2 .

It is a cyclic number.

It is not a de Polignac number, because 312023123317 - 2²⁷ = 311888905589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312023123617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156011561658 + 156011561659.

It is an arithmetic number, because the mean of its divisors is an integer number (156011561659).

Almost surely, 2^312023123317 is an apocalyptic number.

It is an amenable number.

312023123317 is a deficient number, since it is larger than the sum of its proper divisors (1).

312023123317 is an equidigital number, since it uses as much as digits as its factorization.

312023123317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 312023123317 in words is "three hundred twelve billion, twenty-three million, one hundred twenty-three thousand, three hundred seventeen".