323203000457 has 2 divisors, whose sum is σ = 323203000458. Its totient is φ = 323203000456.

The previous prime is 323203000447. The next prime is 323203000511. The reversal of 323203000457 is 754000302323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279607230841 + 43595769616 = 528779^2 + 208796^2 .

It is an emirp because it is prime and its reverse (754000302323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323203000457 is a prime.

It is not a weakly prime, because it can be changed into another prime (323203000447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161601500228 + 161601500229.

It is an arithmetic number, because the mean of its divisors is an integer number (161601500229).

Almost surely, 2^323203000457 is an apocalyptic number.

It is an amenable number.

323203000457 is a deficient number, since it is larger than the sum of its proper divisors (1).

323203000457 is an equidigital number, since it uses as much as digits as its factorization.

323203000457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 29.

The spelling of 323203000457 in words is "three hundred twenty-three billion, two hundred three million, four hundred fifty-seven", and thus it is an aban number.