235234431 has 12 divisors (see below), whose sum is σ = 344569680. Its totient is φ = 154613760.

The previous prime is 235234427. The next prime is 235234469. The reversal of 235234431 is 134432532.

It is not a de Polignac number, because 235234431 - 2² = 235234427 is a prime.

It is a super-2 number, since 2×235234431² = 110670475055787522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235234395 and 235234404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235234481) 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, 183426 + ... + 184703.

It is an arithmetic number, because the mean of its divisors is an integer number (28714140).

Almost surely, 2^235234431 is an apocalyptic number.

235234431 is a deficient number, since it is larger than the sum of its proper divisors (109335249).

235234431 is a wasteful number, since it uses less digits than its factorization.

235234431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368206 (or 368203 counting only the distinct ones).

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

The square root of 235234431 is about 15337.3541068856. The cubic root of 235234431 is about 617.3057132164.

Adding to 235234431 its reverse (134432532), we get a palindrome (369666963).

The spelling of 235234431 in words is "two hundred thirty-five million, two hundred thirty-four thousand, four hundred thirty-one".