323144320193 has 2 divisors, whose sum is σ = 323144320194. Its totient is φ = 323144320192.

The previous prime is 323144320183. The next prime is 323144320201. The reversal of 323144320193 is 391023441323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238350956944 + 84793363249 = 488212^2 + 291193^2 .

It is a cyclic number.

It is not a de Polignac number, because 323144320193 - 2³⁶ = 254424843457 is a prime.

It is a super-2 number, since 2×323144320193² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323144320133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161572160096 + 161572160097.

It is an arithmetic number, because the mean of its divisors is an integer number (161572160097).

Almost surely, 2^323144320193 is an apocalyptic number.

It is an amenable number.

323144320193 is a deficient number, since it is larger than the sum of its proper divisors (1).

323144320193 is an equidigital number, since it uses as much as digits as its factorization.

323144320193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 323144320193 in words is "three hundred twenty-three billion, one hundred forty-four million, three hundred twenty thousand, one hundred ninety-three".