233156 has 24 divisors (see below), whose sum is σ = 509376. Its totient is φ = 90720.

The previous prime is 233143. The next prime is 233159. The reversal of 233156 is 651332.

233156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (233159) by changing a digit.

233156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71 + ... + 686.

It is an arithmetic number, because the mean of its divisors is an integer number (21224).

2²³³¹⁵⁶ is an apocalyptic number.

It is an amenable number.

233156 is an abundant number, since it is smaller than the sum of its proper divisors (276220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233156 is a wasteful number, since it uses less digits than its factorization.

233156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 777 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 233156 is about 482.8622992117. The cubic root of 233156 is about 61.5482248932.

Adding to 233156 its reverse (651332), we get a palindrome (884488).

The spelling of 233156 in words is "two hundred thirty-three thousand, one hundred fifty-six".