159259423 has 4 divisors (see below), whose sum is σ = 159518160. Its totient is φ = 159000688.

The previous prime is 159259409. The next prime is 159259427. The reversal of 159259423 is 324952951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159259423 - 2⁵ = 159259391 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159259427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128443 + ... + 129676.

It is an arithmetic number, because the mean of its divisors is an integer number (39879540).

Almost surely, 2^159259423 is an apocalyptic number.

159259423 is a deficient number, since it is larger than the sum of its proper divisors (258737).

159259423 is an equidigital number, since it uses as much as digits as its factorization.

159259423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258736.

The product of its digits is 97200, while the sum is 40.

The square root of 159259423 is about 12619.8028114547. The cubic root of 159259423 is about 542.0446296588.

The spelling of 159259423 in words is "one hundred fifty-nine million, two hundred fifty-nine thousand, four hundred twenty-three".