117323686393 has 2 divisors, whose sum is σ = 117323686394. Its totient is φ = 117323686392.

The previous prime is 117323686369. The next prime is 117323686427. The reversal of 117323686393 is 393686323711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100639314169 + 16684372224 = 317237^2 + 129168^2 .

It is a cyclic number.

It is not a de Polignac number, because 117323686393 - 2⁹ = 117323685881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117323686393.

It is not a weakly prime, because it can be changed into another prime (117323681393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58661843196 + 58661843197.

It is an arithmetic number, because the mean of its divisors is an integer number (58661843197).

Almost surely, 2^117323686393 is an apocalyptic number.

It is an amenable number.

117323686393 is a deficient number, since it is larger than the sum of its proper divisors (1).

117323686393 is an equidigital number, since it uses as much as digits as its factorization.

117323686393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 52.

The spelling of 117323686393 in words is "one hundred seventeen billion, three hundred twenty-three million, six hundred eighty-six thousand, three hundred ninety-three".