323336621497 has 2 divisors, whose sum is σ = 323336621498. Its totient is φ = 323336621496.

The previous prime is 323336621477. The next prime is 323336621521. The reversal of 323336621497 is 794126633323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290446622761 + 32889998736 = 538931^2 + 181356^2 .

It is an emirp because it is prime and its reverse (794126633323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323336621497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323336621497.

It is not a weakly prime, because it can be changed into another prime (323336621467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161668310748 + 161668310749.

It is an arithmetic number, because the mean of its divisors is an integer number (161668310749).

Almost surely, 2^323336621497 is an apocalyptic number.

It is an amenable number.

323336621497 is a deficient number, since it is larger than the sum of its proper divisors (1).

323336621497 is an equidigital number, since it uses as much as digits as its factorization.

323336621497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 49.

The spelling of 323336621497 in words is "three hundred twenty-three billion, three hundred thirty-six million, six hundred twenty-one thousand, four hundred ninety-seven".