323530343809 has 2 divisors, whose sum is σ = 323530343810. Its totient is φ = 323530343808.

The previous prime is 323530343771. The next prime is 323530343813. The reversal of 323530343809 is 908343035323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193622000625 + 129908343184 = 440025^2 + 360428^2 .

It is a cyclic number.

It is not a de Polignac number, because 323530343809 - 2⁷ = 323530343681 is a prime.

It is not a weakly prime, because it can be changed into another prime (323530343819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161765171904 + 161765171905.

It is an arithmetic number, because the mean of its divisors is an integer number (161765171905).

Almost surely, 2^323530343809 is an apocalyptic number.

It is an amenable number.

323530343809 is a deficient number, since it is larger than the sum of its proper divisors (1).

323530343809 is an equidigital number, since it uses as much as digits as its factorization.

323530343809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 323530343809 in words is "three hundred twenty-three billion, five hundred thirty million, three hundred forty-three thousand, eight hundred nine".