323212222023181 has 2 divisors, whose sum is σ = 323212222023182. Its totient is φ = 323212222023180.

The previous prime is 323212222023179. The next prime is 323212222023239. The reversal of 323212222023181 is 181320222212323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323120937069225 + 91284953956 = 17975565^2 + 302134^2 .

It is a cyclic number.

It is not a de Polignac number, because 323212222023181 - 2¹ = 323212222023179 is a prime.

It is a super-2 number, since 2×323212222023181² (a number of 30 digits) contains 22 as substring.

Together with 323212222023179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323212222023881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606111011590 + 161606111011591.

It is an arithmetic number, because the mean of its divisors is an integer number (161606111011591).

Almost surely, 2^{323212222023181} is an apocalyptic number.

It is an amenable number.

323212222023181 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212222023181 is an equidigital number, since it uses as much as digits as its factorization.

323212222023181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 323212222023181 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty-two million, twenty-three thousand, one hundred eighty-one".