234432231 has 16 divisors (see below), whose sum is σ = 341489280. Its totient is φ = 141873120.

The previous prime is 234432217. The next prime is 234432239. The reversal of 234432231 is 132234432.

It is not a de Polignac number, because 234432231 - 2¹⁹ = 233907943 is a prime.

It is a super-2 number, since 2×234432231² = 109916941863274722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234432239) 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, 19581 + ... + 29193.

It is an arithmetic number, because the mean of its divisors is an integer number (21343080).

Almost surely, 2^234432231 is an apocalyptic number.

234432231 is a deficient number, since it is larger than the sum of its proper divisors (107057049).

234432231 is a wasteful number, since it uses less digits than its factorization.

234432231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10366.

The product of its digits is 3456, while the sum is 24.

The square root of 234432231 is about 15311.1799349364. The cubic root of 234432231 is about 616.6031989547.

Adding to 234432231 its reverse (132234432), we get a palindrome (366666663).

The spelling of 234432231 in words is "two hundred thirty-four million, four hundred thirty-two thousand, two hundred thirty-one".