323213127138817 has 2 divisors, whose sum is σ = 323213127138818. Its totient is φ = 323213127138816.

The previous prime is 323213127138809. The next prime is 323213127138841. The reversal of 323213127138817 is 718831721312323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191686267896561 + 131526859242256 = 13845081^2 + 11468516^2 .

It is a cyclic number.

It is not a de Polignac number, because 323213127138817 - 2³ = 323213127138809 is a prime.

It is not a weakly prime, because it can be changed into another prime (323213127138877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606563569408 + 161606563569409.

It is an arithmetic number, because the mean of its divisors is an integer number (161606563569409).

Almost surely, 2^{323213127138817} is an apocalyptic number.

It is an amenable number.

323213127138817 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213127138817 is an equidigital number, since it uses as much as digits as its factorization.

323213127138817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 52.

The spelling of 323213127138817 in words is "three hundred twenty-three trillion, two hundred thirteen billion, one hundred twenty-seven million, one hundred thirty-eight thousand, eight hundred seventeen".