323212021131997 has 2 divisors, whose sum is σ = 323212021131998. Its totient is φ = 323212021131996.

The previous prime is 323212021131973. The next prime is 323212021132001. The reversal of 323212021131997 is 799131120212323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217270577490201 + 105941443641796 = 14740101^2 + 10292786^2 .

It is an emirp because it is prime and its reverse (799131120212323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323212021131997 - 2⁷ = 323212021131869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323212021231997) 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, 161606010565998 + 161606010565999.

It is an arithmetic number, because the mean of its divisors is an integer number (161606010565999).

Almost surely, 2^{323212021131997} is an apocalyptic number.

It is an amenable number.

323212021131997 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212021131997 is an equidigital number, since it uses as much as digits as its factorization.

323212021131997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 323212021131997 in words is "three hundred twenty-three trillion, two hundred twelve billion, twenty-one million, one hundred thirty-one thousand, nine hundred ninety-seven".