323713217 has 2 divisors, whose sum is σ = 323713218. Its totient is φ = 323713216.

The previous prime is 323713207. The next prime is 323713219. The reversal of 323713217 is 712317323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218773681 + 104939536 = 14791^2 + 10244^2 .

It is a cyclic number.

It is not a de Polignac number, because 323713217 - 2²⁴ = 306936001 is a prime.

Together with 323713219, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323713217.

It is not a weakly prime, because it can be changed into another prime (323713219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161856608 + 161856609.

It is an arithmetic number, because the mean of its divisors is an integer number (161856609).

Almost surely, 2^323713217 is an apocalyptic number.

It is an amenable number.

323713217 is a deficient number, since it is larger than the sum of its proper divisors (1).

323713217 is an equidigital number, since it uses as much as digits as its factorization.

323713217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 29.

The square root of 323713217 is about 17992.0320419901. The cubic root of 323713217 is about 686.6258409081.

The spelling of 323713217 in words is "three hundred twenty-three million, seven hundred thirteen thousand, two hundred seventeen".