323203232123309 has 2 divisors, whose sum is σ = 323203232123310. Its totient is φ = 323203232123308.

The previous prime is 323203232123179. The next prime is 323203232123327. The reversal of 323203232123309 is 903321232302323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178219429513225 + 144983802610084 = 13349885^2 + 12040922^2 .

It is an emirp because it is prime and its reverse (903321232302323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323203232123309 - 2¹⁶ = 323203232057773 is a prime.

It is a super-2 number, since 2×323203232123309² (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 (323203232123329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161601616061654 + 161601616061655.

It is an arithmetic number, because the mean of its divisors is an integer number (161601616061655).

Almost surely, 2^{323203232123309} is an apocalyptic number.

It is an amenable number.

323203232123309 is a deficient number, since it is larger than the sum of its proper divisors (1).

323203232123309 is an equidigital number, since it uses as much as digits as its factorization.

323203232123309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 38.

The spelling of 323203232123309 in words is "three hundred twenty-three trillion, two hundred three billion, two hundred thirty-two million, one hundred twenty-three thousand, three hundred nine".