323212230219757 has 2 divisors, whose sum is σ = 323212230219758. Its totient is φ = 323212230219756.

The previous prime is 323212230219649. The next prime is 323212230219779. The reversal of 323212230219757 is 757912032212323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320614414792681 + 2597815427076 = 17905709^2 + 1611774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323212230219757 is a prime.

It is a super-2 number, since 2×323212230219757² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323212230219757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323212230259757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606115109878 + 161606115109879.

It is an arithmetic number, because the mean of its divisors is an integer number (161606115109879).

Almost surely, 2^{323212230219757} is an apocalyptic number.

It is an amenable number.

323212230219757 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212230219757 is an equidigital number, since it uses as much as digits as its factorization.

323212230219757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 323212230219757 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirty million, two hundred nineteen thousand, seven hundred fifty-seven".