323020102312009 has 2 divisors, whose sum is σ = 323020102312010. Its totient is φ = 323020102312008.

The previous prime is 323020102312003. The next prime is 323020102312123. The reversal of 323020102312009 is 900213201020323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221315459055625 + 101704643256384 = 14876675^2 + 10084872^2 .

It is an emirp because it is prime and its reverse (900213201020323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323020102312009 - 2²⁵ = 323020068757577 is a prime.

It is not a weakly prime, because it can be changed into another prime (323020102312003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161510051156004 + 161510051156005.

It is an arithmetic number, because the mean of its divisors is an integer number (161510051156005).

Almost surely, 2^{323020102312009} is an apocalyptic number.

It is an amenable number.

323020102312009 is a deficient number, since it is larger than the sum of its proper divisors (1).

323020102312009 is an equidigital number, since it uses as much as digits as its factorization.

323020102312009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 323020102312009 in words is "three hundred twenty-three trillion, twenty billion, one hundred two million, three hundred twelve thousand, nine".