234257443 has 4 divisors (see below), whose sum is σ = 267722800. Its totient is φ = 200792088.

The previous prime is 234257423. The next prime is 234257449. The reversal of 234257443 is 344752432.

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

It is not a de Polignac number, because 234257443 - 2⁵ = 234257411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234257399 and 234257408.

It is not an unprimeable number, because it can be changed into a prime (234257449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16732668 + ... + 16732681.

It is an arithmetic number, because the mean of its divisors is an integer number (66930700).

Almost surely, 2^234257443 is an apocalyptic number.

234257443 is a deficient number, since it is larger than the sum of its proper divisors (33465357).

234257443 is an equidigital number, since it uses as much as digits as its factorization.

234257443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33465356.

The product of its digits is 80640, while the sum is 34.

The square root of 234257443 is about 15305.4710152938. The cubic root of 234257443 is about 616.4499185013.

The spelling of 234257443 in words is "two hundred thirty-four million, two hundred fifty-seven thousand, four hundred forty-three".