97023820257317 has 2 divisors, whose sum is σ = 97023820257318. Its totient is φ = 97023820257316.

The previous prime is 97023820257289. The next prime is 97023820257341. The reversal of 97023820257317 is 71375202832079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69275641593601 + 27748178663716 = 8323199^2 + 5267654^2 .

It is a cyclic number.

It is not a de Polignac number, because 97023820257317 - 2¹⁴ = 97023820240933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97023820257017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48511910128658 + 48511910128659.

It is an arithmetic number, because the mean of its divisors is an integer number (48511910128659).

Almost surely, 2^{97023820257317} is an apocalyptic number.

It is an amenable number.

97023820257317 is a deficient number, since it is larger than the sum of its proper divisors (1).

97023820257317 is an equidigital number, since it uses as much as digits as its factorization.

97023820257317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 97023820257317 in words is "ninety-seven trillion, twenty-three billion, eight hundred twenty million, two hundred fifty-seven thousand, three hundred seventeen".