323212223113921 has 2 divisors, whose sum is σ = 323212223113922. Its totient is φ = 323212223113920.

The previous prime is 323212223113883. The next prime is 323212223113999. The reversal of 323212223113921 is 129311322212323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271844614019521 + 51367609094400 = 16487711^2 + 7167120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212223113921 is a prime.

It is a super-2 number, since 2×323212223113921² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323212223117921) 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, 161606111556960 + 161606111556961.

It is an arithmetic number, because the mean of its divisors is an integer number (161606111556961).

Almost surely, 2^{323212223113921} is an apocalyptic number.

It is an amenable number.

323212223113921 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212223113921 is an equidigital number, since it uses as much as digits as its factorization.

323212223113921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The spelling of 323212223113921 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty-three million, one hundred thirteen thousand, nine hundred twenty-one".