404023031317 has 2 divisors, whose sum is σ = 404023031318. Its totient is φ = 404023031316.

The previous prime is 404023031281. The next prime is 404023031359. The reversal of 404023031317 is 713130320404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286210020196 + 117813011121 = 534986^2 + 343239^2 .

It is a cyclic number.

It is not a de Polignac number, because 404023031317 - 2¹¹ = 404023029269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404023031717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202011515658 + 202011515659.

It is an arithmetic number, because the mean of its divisors is an integer number (202011515659).

Almost surely, 2^404023031317 is an apocalyptic number.

It is an amenable number.

404023031317 is a deficient number, since it is larger than the sum of its proper divisors (1).

404023031317 is an equidigital number, since it uses as much as digits as its factorization.

404023031317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 404023031317 in words is "four hundred four billion, twenty-three million, thirty-one thousand, three hundred seventeen".