234431234 has 12 divisors (see below), whose sum is σ = 371129814. Its totient is φ = 111046032.

The previous prime is 234431221. The next prime is 234431237. The reversal of 234431234 is 432134432.

It can be written as a sum of positive squares in only one way, i.e., 233937025 + 494209 = 15295^2 + 703^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234431237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161627 + ... + 163070.

Almost surely, 2^234431234 is an apocalyptic number.

234431234 is a deficient number, since it is larger than the sum of its proper divisors (136698580).

234431234 is a wasteful number, since it uses less digits than its factorization.

234431234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324737 (or 324718 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 234431234 is about 15311.1473769930. The cubic root of 234431234 is about 616.6023248509.

Adding to 234431234 its reverse (432134432), we get a palindrome (666565666).

The spelling of 234431234 in words is "two hundred thirty-four million, four hundred thirty-one thousand, two hundred thirty-four".