234413231 has 4 divisors (see below), whose sum is σ = 252445032. Its totient is φ = 216381432.

The previous prime is 234413219. The next prime is 234413237. The reversal of 234413231 is 132314432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234413231 is a prime.

It is a super-2 number, since 2×234413231² = 109899125735718722, 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 = 234413197 and 234413206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234413237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9015881 + ... + 9015906.

It is an arithmetic number, because the mean of its divisors is an integer number (63111258).

Almost surely, 2^234413231 is an apocalyptic number.

234413231 is a deficient number, since it is larger than the sum of its proper divisors (18031801).

234413231 is a wasteful number, since it uses less digits than its factorization.

234413231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18031800.

The product of its digits is 1728, while the sum is 23.

The square root of 234413231 is about 15310.5594607121. The cubic root of 234413231 is about 616.5865405836.

Adding to 234413231 its reverse (132314432), we get a palindrome (366727663).

The spelling of 234413231 in words is "two hundred thirty-four million, four hundred thirteen thousand, two hundred thirty-one".