159423231 has 16 divisors (see below), whose sum is σ = 237283200. Its totient is φ = 94372320.

The previous prime is 159423223. The next prime is 159423241. The reversal of 159423231 is 132324951.

It is not a de Polignac number, because 159423231 - 2³ = 159423223 is a prime.

It is a super-2 number, since 2×159423231² = 50831533164958722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159423221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54756 + ... + 57593.

It is an arithmetic number, because the mean of its divisors is an integer number (14830200).

Almost surely, 2^159423231 is an apocalyptic number.

159423231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159423231 is a deficient number, since it is larger than the sum of its proper divisors (77859969).

159423231 is a wasteful number, since it uses less digits than its factorization.

159423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112406.

The product of its digits is 6480, while the sum is 30.

The square root of 159423231 is about 12626.2912606988. The cubic root of 159423231 is about 542.2304079317.

The spelling of 159423231 in words is "one hundred fifty-nine million, four hundred twenty-three thousand, two hundred thirty-one".