168353545823 has 2 divisors, whose sum is σ = 168353545824. Its totient is φ = 168353545822.

The previous prime is 168353545813. The next prime is 168353545837. The reversal of 168353545823 is 328545353861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168353545823 - 2¹⁶ = 168353480287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168353545813) 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, 84176772911 + 84176772912.

It is an arithmetic number, because the mean of its divisors is an integer number (84176772912).

Almost surely, 2^168353545823 is an apocalyptic number.

168353545823 is a deficient number, since it is larger than the sum of its proper divisors (1).

168353545823 is an equidigital number, since it uses as much as digits as its factorization.

168353545823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 53.

The spelling of 168353545823 in words is "one hundred sixty-eight billion, three hundred fifty-three million, five hundred forty-five thousand, eight hundred twenty-three".