323212120110157 has 2 divisors, whose sum is σ = 323212120110158. Its totient is φ = 323212120110156.

The previous prime is 323212120110149. The next prime is 323212120110193. The reversal of 323212120110157 is 751011021212323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245449687583556 + 77762432526601 = 15666834^2 + 8818301^2 .

It is a cyclic number.

It is not a de Polignac number, because 323212120110157 - 2³ = 323212120110149 is a prime.

It is a super-2 number, since 2×323212120110157² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323212120110757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606060055078 + 161606060055079.

It is an arithmetic number, because the mean of its divisors is an integer number (161606060055079).

Almost surely, 2^{323212120110157} is an apocalyptic number.

It is an amenable number.

323212120110157 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212120110157 is an equidigital number, since it uses as much as digits as its factorization.

323212120110157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 323212120110157 in words is "three hundred twenty-three trillion, two hundred twelve billion, one hundred twenty million, one hundred ten thousand, one hundred fifty-seven".