159423 has 8 divisors (see below), whose sum is σ = 231936. Its totient is φ = 96600.

The previous prime is 159421. The next prime is 159431. The reversal of 159423 is 324951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159423 - 2¹ = 159421 is a prime.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 159393 and 159402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159421) 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 in 7 ways as a sum of consecutive naturals, for example, 2383 + ... + 2448.

It is an arithmetic number, because the mean of its divisors is an integer number (28992).

2¹⁵⁹⁴²³ is an apocalyptic number.

159423 is a deficient number, since it is larger than the sum of its proper divisors (72513).

159423 is a wasteful number, since it uses less digits than its factorization.

159423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845.

The product of its digits is 1080, while the sum is 24.

The square root of 159423 is about 399.2780985729. The cubic root of 159423 is about 54.2230146039.

The spelling of 159423 in words is "one hundred fifty-nine thousand, four hundred twenty-three".