233530 has 24 divisors (see below), whose sum is σ = 464436. Its totient is φ = 84480.

The previous prime is 233509. The next prime is 233549. The reversal of 233530 is 35332.

233530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 223729 + 9801 = 473^2 + 99^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114 + ... + 1306.

2²³³⁵³⁰ is an apocalyptic number.

233530 is the 242-nd decagonal number.

233530 is a deficient number, since it is larger than the sum of its proper divisors (230906).

233530 is a wasteful number, since it uses less digits than its factorization.

233530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 233530 is about 483.2494180028. The cubic root of 233530 is about 61.5811166609.

Adding to 233530 its reverse (35332), we get a palindrome (268862).

It can be divided in two parts, 23 and 3530, that added together give a palindrome (3553).

The spelling of 233530 in words is "two hundred thirty-three thousand, five hundred thirty".