232345431 has 6 divisors (see below), whose sum is σ = 335610080. Its totient is φ = 154896948.

The previous prime is 232345427. The next prime is 232345439. The reversal of 232345431 is 134543232.

It is not a de Polignac number, because 232345431 - 2² = 232345427 is a prime.

It is a super-2 number, since 2×232345431² = 107968798613151522, 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 = 232345395 and 232345404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232345439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12908071 + ... + 12908088.

Almost surely, 2^232345431 is an apocalyptic number.

232345431 is a deficient number, since it is larger than the sum of its proper divisors (103264649).

232345431 is a wasteful number, since it uses less digits than its factorization.

232345431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25816165 (or 25816162 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 232345431 is about 15242.8813221123. The cubic root of 232345431 is about 614.7681775479.

Adding to 232345431 its reverse (134543232), we get a palindrome (366888663).

The spelling of 232345431 in words is "two hundred thirty-two million, three hundred forty-five thousand, four hundred thirty-one".