323195043243937 has 2 divisors, whose sum is σ = 323195043243938. Its totient is φ = 323195043243936.

The previous prime is 323195043243911. The next prime is 323195043244033. The reversal of 323195043243937 is 739342340591323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163156452039441 + 160038591204496 = 12773271^2 + 12650636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323195043243937 is a prime.

It is not a weakly prime, because it can be changed into another prime (323195043244937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161597521621968 + 161597521621969.

It is an arithmetic number, because the mean of its divisors is an integer number (161597521621969).

Almost surely, 2^{323195043243937} is an apocalyptic number.

It is an amenable number.

323195043243937 is a deficient number, since it is larger than the sum of its proper divisors (1).

323195043243937 is an equidigital number, since it uses as much as digits as its factorization.

323195043243937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44089920, while the sum is 58.

The spelling of 323195043243937 in words is "three hundred twenty-three trillion, one hundred ninety-five billion, forty-three million, two hundred forty-three thousand, nine hundred thirty-seven".