323013020489 has 2 divisors, whose sum is σ = 323013020490. Its totient is φ = 323013020488.

The previous prime is 323013020389. The next prime is 323013020503. The reversal of 323013020489 is 984020310323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316734835264 + 6278185225 = 562792^2 + 79235^2 .

It is an emirp because it is prime and its reverse (984020310323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323013020489 is a prime.

It is a super-2 number, since 2×323013020489² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323013020389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161506510244 + 161506510245.

It is an arithmetic number, because the mean of its divisors is an integer number (161506510245).

Almost surely, 2^323013020489 is an apocalyptic number.

It is an amenable number.

323013020489 is a deficient number, since it is larger than the sum of its proper divisors (1).

323013020489 is an equidigital number, since it uses as much as digits as its factorization.

323013020489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 323013020489 in words is "three hundred twenty-three billion, thirteen million, twenty thousand, four hundred eighty-nine".