323201323111309 has 2 divisors, whose sum is σ = 323201323111310. Its totient is φ = 323201323111308.

The previous prime is 323201323111259. The next prime is 323201323111319. The reversal of 323201323111309 is 903111323102323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317324238078409 + 5877085032900 = 17813597^2 + 2424270^2 .

It is a cyclic number.

It is not a de Polignac number, because 323201323111309 - 2³⁷ = 323063884157837 is a prime.

It is a super-2 number, since 2×323201323111309² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323201323111319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161600661555654 + 161600661555655.

It is an arithmetic number, because the mean of its divisors is an integer number (161600661555655).

Almost surely, 2^{323201323111309} is an apocalyptic number.

It is an amenable number.

323201323111309 is a deficient number, since it is larger than the sum of its proper divisors (1).

323201323111309 is an equidigital number, since it uses as much as digits as its factorization.

323201323111309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 323201323111309 in words is "three hundred twenty-three trillion, two hundred one billion, three hundred twenty-three million, one hundred eleven thousand, three hundred nine".