233140 has 12 divisors (see below), whose sum is σ = 489636. Its totient is φ = 93248.

The previous prime is 233117. The next prime is 233141. The reversal of 233140 is 41332.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 104976 = 358^2 + 324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 233140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5809 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (40803).

2²³³¹⁴⁰ is an apocalyptic number.

233140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233140 is an abundant number, since it is smaller than the sum of its proper divisors (256496).

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

233140 is a wasteful number, since it uses less digits than its factorization.

233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11666 (or 11664 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 233140 is about 482.8457310570. The cubic root of 233140 is about 61.5468169745.

Adding to 233140 its reverse (41332), we get a palindrome (274472).

It can be divided in two parts, 233 and 140, that added together give a palindrome (373).

The spelling of 233140 in words is "two hundred thirty-three thousand, one hundred forty".