234403231 has 8 divisors (see below), whose sum is σ = 235628640. Its totient is φ = 233181792.

The previous prime is 234403207. The next prime is 234403237. The reversal of 234403231 is 132304432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234403231 - 2¹¹ = 234401183 is a prime.

It is a super-2 number, since 2×234403231² = 109889749406478722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234403237) 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 7 ways as a sum of consecutive naturals, for example, 237966 + ... + 238948.

It is an arithmetic number, because the mean of its divisors is an integer number (29453580).

Almost surely, 2^234403231 is an apocalyptic number.

234403231 is a deficient number, since it is larger than the sum of its proper divisors (1225409).

234403231 is an equidigital number, since it uses as much as digits as its factorization.

234403231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 234403231 is about 15310.2328852307. The cubic root of 234403231 is about 616.5777726583.

Adding to 234403231 its reverse (132304432), we get a palindrome (366707663).

The spelling of 234403231 in words is "two hundred thirty-four million, four hundred three thousand, two hundred thirty-one".