159023 has 2 divisors, whose sum is σ = 159024. Its totient is φ = 159022.

The previous prime is 159017. The next prime is 159059. The reversal of 159023 is 320951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159023 - 2⁶ = 158959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158986 and 159004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79511 + 79512.

It is an arithmetic number, because the mean of its divisors is an integer number (79512).

2¹⁵⁹⁰²³ is an apocalyptic number.

159023 is a deficient number, since it is larger than the sum of its proper divisors (1).

159023 is an equidigital number, since it uses as much as digits as its factorization.

159023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 159023 is about 398.7768799717. The cubic root of 159023 is about 54.1776272363.

Adding to 159023 its reverse (320951), we get a palindrome (479974).

The spelling of 159023 in words is "one hundred fifty-nine thousand, twenty-three".