231235043 has 8 divisors (see below), whose sum is σ = 250925136. Its totient is φ = 211816800.

The previous prime is 231235027. The next prime is 231235049. The reversal of 231235043 is 340532132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231235043 - 2⁴ = 231235027 is a prime.

It is a super-2 number, since 2×231235043² = 106939290222423698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231235049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66188 + ... + 69593.

It is an arithmetic number, because the mean of its divisors is an integer number (31365642).

Almost surely, 2^231235043 is an apocalyptic number.

231235043 is a deficient number, since it is larger than the sum of its proper divisors (19690093).

231235043 is a wasteful number, since it uses less digits than its factorization.

231235043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135925.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 231235043 is about 15206.4145346627. The cubic root of 231235043 is about 613.7872794929.

Adding to 231235043 its reverse (340532132), we get a palindrome (571767175).

The spelling of 231235043 in words is "two hundred thirty-one million, two hundred thirty-five thousand, forty-three".