323664988373 has 2 divisors, whose sum is σ = 323664988374. Its totient is φ = 323664988372.

The previous prime is 323664988363. The next prime is 323664988397. The reversal of 323664988373 is 373889466323.

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., 253122690769 + 70542297604 = 503113^2 + 265598^2 .

It is a cyclic number.

It is not a de Polignac number, because 323664988373 - 2⁴ = 323664988357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323664988313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161832494186 + 161832494187.

It is an arithmetic number, because the mean of its divisors is an integer number (161832494187).

Almost surely, 2^323664988373 is an apocalyptic number.

It is an amenable number.

323664988373 is a deficient number, since it is larger than the sum of its proper divisors (1).

323664988373 is an equidigital number, since it uses as much as digits as its factorization.

323664988373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 62.

The spelling of 323664988373 in words is "three hundred twenty-three billion, six hundred sixty-four million, nine hundred eighty-eight thousand, three hundred seventy-three".