163757490023 has 2 divisors, whose sum is σ = 163757490024. Its totient is φ = 163757490022.

The previous prime is 163757490007. The next prime is 163757490077. The reversal of 163757490023 is 320094757361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163757490023 - 2⁴ = 163757490007 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163757490023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163757492023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81878745011 + 81878745012.

It is an arithmetic number, because the mean of its divisors is an integer number (81878745012).

Almost surely, 2^163757490023 is an apocalyptic number.

163757490023 is a deficient number, since it is larger than the sum of its proper divisors (1).

163757490023 is an equidigital number, since it uses as much as digits as its factorization.

163757490023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 163757490023 in words is "one hundred sixty-three billion, seven hundred fifty-seven million, four hundred ninety thousand, twenty-three".