235869231 has 8 divisors (see below), whose sum is σ = 338684080. Its totient is φ = 145150272.

The previous prime is 235869229. The next prime is 235869253. The reversal of 235869231 is 132968532.

235869231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 235869231 - 2¹ = 235869229 is a prime.

It is a super-2 number, since 2×235869231² = 111268588265062722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 6047929 = 235869231 / (2 + 3 + 5 + 8 + 6 + 9 + 2 + 3 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235869231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235869281) 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, 3023926 + ... + 3024003.

It is an arithmetic number, because the mean of its divisors is an integer number (42335510).

Almost surely, 2^235869231 is an apocalyptic number.

235869231 is a deficient number, since it is larger than the sum of its proper divisors (102814849).

235869231 is a wasteful number, since it uses less digits than its factorization.

235869231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047945.

The product of its digits is 77760, while the sum is 39.

The square root of 235869231 is about 15358.0347375568. The cubic root of 235869231 is about 617.8604983562.

The spelling of 235869231 in words is "two hundred thirty-five million, eight hundred sixty-nine thousand, two hundred thirty-one".