163585423 has 2 divisors, whose sum is σ = 163585424. Its totient is φ = 163585422.

The previous prime is 163585369. The next prime is 163585439. The reversal of 163585423 is 324585361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163585423 - 2²⁵ = 130030991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163585493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81792711 + 81792712.

It is an arithmetic number, because the mean of its divisors is an integer number (81792712).

Almost surely, 2^163585423 is an apocalyptic number.

163585423 is a deficient number, since it is larger than the sum of its proper divisors (1).

163585423 is an equidigital number, since it uses as much as digits as its factorization.

163585423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 163585423 is about 12790.0517199893. The cubic root of 163585423 is about 546.9087442057.

The spelling of 163585423 in words is "one hundred sixty-three million, five hundred eighty-five thousand, four hundred twenty-three".