323212221329497 has 2 divisors, whose sum is σ = 323212221329498. Its totient is φ = 323212221329496.

The previous prime is 323212221329467. The next prime is 323212221329533. The reversal of 323212221329497 is 794923122212323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322916012178496 + 296209151001 = 17969864^2 + 544251^2 .

It is a cyclic number.

It is not a de Polignac number, because 323212221329497 - 2³¹ = 323210073845849 is a prime.

It is a super-2 number, since 2×323212221329497² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323212221329467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606110664748 + 161606110664749.

It is an arithmetic number, because the mean of its divisors is an integer number (161606110664749).

Almost surely, 2^{323212221329497} is an apocalyptic number.

It is an amenable number.

323212221329497 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212221329497 is an equidigital number, since it uses as much as digits as its factorization.

323212221329497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 52.

The spelling of 323212221329497 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty-one million, three hundred twenty-nine thousand, four hundred ninety-seven".