323042221121 has 2 divisors, whose sum is σ = 323042221122. Its totient is φ = 323042221120.

The previous prime is 323042221069. The next prime is 323042221123. The reversal of 323042221121 is 121122240323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237816176896 + 85226044225 = 487664^2 + 291935^2 .

It is a cyclic number.

It is not a de Polignac number, because 323042221121 - 2¹⁸ = 323041958977 is a prime.

Together with 323042221123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (323042221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161521110560 + 161521110561.

It is an arithmetic number, because the mean of its divisors is an integer number (161521110561).

Almost surely, 2^323042221121 is an apocalyptic number.

It is an amenable number.

323042221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

323042221121 is an equidigital number, since it uses as much as digits as its factorization.

323042221121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 323042221121 its reverse (121122240323), we get a palindrome (444164461444).

The spelling of 323042221121 in words is "three hundred twenty-three billion, forty-two million, two hundred twenty-one thousand, one hundred twenty-one".