159724423 has 2 divisors, whose sum is σ = 159724424. Its totient is φ = 159724422.

The previous prime is 159724363. The next prime is 159724427. The reversal of 159724423 is 324427951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159724423 - 2²⁵ = 126169991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159724427) 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, 79862211 + 79862212.

It is an arithmetic number, because the mean of its divisors is an integer number (79862212).

Almost surely, 2^159724423 is an apocalyptic number.

159724423 is a deficient number, since it is larger than the sum of its proper divisors (1).

159724423 is an equidigital number, since it uses as much as digits as its factorization.

159724423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 159724423 is about 12638.2128087796. The cubic root of 159724423 is about 542.5716645967.

The spelling of 159724423 in words is "one hundred fifty-nine million, seven hundred twenty-four thousand, four hundred twenty-three".