234424431 has 12 divisors (see below), whose sum is σ = 338927680. Its totient is φ = 156137760.

The previous prime is 234424427. The next prime is 234424483. The reversal of 234424431 is 134424432.

It is a happy number.

234424431 is a `hidden beast` number, since 234 + 424 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 234424431 - 2² = 234424427 is a prime.

It is a super-2 number, since 2×234424431² = 109909627699347522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234424395 and 234424404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234424031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1375 + ... + 21696.

Almost surely, 2^234424431 is an apocalyptic number.

234424431 is a deficient number, since it is larger than the sum of its proper divisors (104503249).

234424431 is a wasteful number, since it uses less digits than its factorization.

234424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24206 (or 24203 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 234424431 is about 15310.9252169815. The cubic root of 234424431 is about 616.5963603639.

Adding to 234424431 its reverse (134424432), we get a palindrome (368848863).

Subtracting from 234424431 its reverse (134424432), we obtain a palindrome (99999999).

The spelling of 234424431 in words is "two hundred thirty-four million, four hundred twenty-four thousand, four hundred thirty-one".