168964375296523 has 2 divisors, whose sum is σ = 168964375296524. Its totient is φ = 168964375296522.

The previous prime is 168964375296473. The next prime is 168964375296529. The reversal of 168964375296523 is 325692573469861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168964375296523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168964375296523.

It is not a weakly prime, because it can be changed into another prime (168964375296529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84482187648261 + 84482187648262.

It is an arithmetic number, because the mean of its divisors is an integer number (84482187648262).

Almost surely, 2^{168964375296523} is an apocalyptic number.

168964375296523 is a deficient number, since it is larger than the sum of its proper divisors (1).

168964375296523 is an equidigital number, since it uses as much as digits as its factorization.

168964375296523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3527193600, while the sum is 76.

The spelling of 168964375296523 in words is "one hundred sixty-eight trillion, nine hundred sixty-four billion, three hundred seventy-five million, two hundred ninety-six thousand, five hundred twenty-three".