159323 has 4 divisors (see below), whose sum is σ = 160920. Its totient is φ = 157728.

The previous prime is 159319. The next prime is 159337. The reversal of 159323 is 323951.

It is a happy number.

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 159323 - 2² = 159319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159023) 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 in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (40230).

2¹⁵⁹³²³ is an apocalyptic number.

159323 is a deficient number, since it is larger than the sum of its proper divisors (1597).

159323 is a wasteful number, since it uses less digits than its factorization.

159323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 810, while the sum is 23.

The square root of 159323 is about 399.1528529273. The cubic root of 159323 is about 54.2116748859.

The spelling of 159323 in words is "one hundred fifty-nine thousand, three hundred twenty-three".