323313330257 has 2 divisors, whose sum is σ = 323313330258. Its totient is φ = 323313330256.

The previous prime is 323313330211. The next prime is 323313330287. The reversal of 323313330257 is 752033313323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236736741136 + 86576589121 = 486556^2 + 294239^2 .

It is an emirp because it is prime and its reverse (752033313323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323313330257 - 2⁸ = 323313330001 is a prime.

It is not a weakly prime, because it can be changed into another prime (323313330287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161656665128 + 161656665129.

It is an arithmetic number, because the mean of its divisors is an integer number (161656665129).

Almost surely, 2^323313330257 is an apocalyptic number.

It is an amenable number.

323313330257 is a deficient number, since it is larger than the sum of its proper divisors (1).

323313330257 is an equidigital number, since it uses as much as digits as its factorization.

323313330257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 35.

The spelling of 323313330257 in words is "three hundred twenty-three billion, three hundred thirteen million, three hundred thirty thousand, two hundred fifty-seven".