240234231 has 16 divisors (see below), whose sum is σ = 331768800. Its totient is φ = 154441728.

The previous prime is 240234223. The next prime is 240234263. The reversal of 240234231 is 132432042.

It is not a de Polignac number, because 240234231 - 2³ = 240234223 is a prime.

It is a super-2 number, since 2×240234231² = 115424971488322722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240234198 and 240234207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240234331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111775 + ... + 113903.

It is an arithmetic number, because the mean of its divisors is an integer number (20735550).

Almost surely, 2^240234231 is an apocalyptic number.

240234231 is a deficient number, since it is larger than the sum of its proper divisors (91534569).

240234231 is a wasteful number, since it uses less digits than its factorization.

240234231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 240234231 is about 15499.4913142335. The cubic root of 240234231 is about 621.6486049501.

Adding to 240234231 its reverse (132432042), we get a palindrome (372666273).

The spelling of 240234231 in words is "two hundred forty million, two hundred thirty-four thousand, two hundred thirty-one".