235143 has 10 divisors (see below), whose sum is σ = 351384. Its totient is φ = 156708.

The previous prime is 235117. The next prime is 235159. The reversal of 235143 is 341532.

It is not a de Polignac number, because 235143 - 2⁵ = 235111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1371 + ... + 1532.

2²³⁵¹⁴³ is an apocalyptic number.

235143 is a deficient number, since it is larger than the sum of its proper divisors (116241).

235143 is an equidigital number, since it uses as much as digits as its factorization.

235143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915 (or 2906 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 235143 is about 484.9154565489. The cubic root of 235143 is about 61.7225724653.

Adding to 235143 its reverse (341532), we get a palindrome (576675).

It can be divided in two parts, 235 and 143, that added together give a triangular number (378 = T₂₇).

The spelling of 235143 in words is "two hundred thirty-five thousand, one hundred forty-three".