323664988397 has 2 divisors, whose sum is σ = 323664988398. Its totient is φ = 323664988396.

The previous prime is 323664988373. The next prime is 323664988421. The reversal of 323664988397 is 793889466323.

It is a balanced prime because it is at equal distance from previous prime (323664988373) and next prime (323664988421).

It can be written as a sum of positive squares in only one way, i.e., 305378917321 + 18286071076 = 552611^2 + 135226^2 .

It is an emirp because it is prime and its reverse (793889466323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323664988397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323664988357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161832494198 + 161832494199.

It is an arithmetic number, because the mean of its divisors is an integer number (161832494199).

Almost surely, 2^323664988397 is an apocalyptic number.

It is an amenable number.

323664988397 is a deficient number, since it is larger than the sum of its proper divisors (1).

323664988397 is an equidigital number, since it uses as much as digits as its factorization.

323664988397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282175488, while the sum is 68.

The spelling of 323664988397 in words is "three hundred twenty-three billion, six hundred sixty-four million, nine hundred eighty-eight thousand, three hundred ninety-seven".