234320443 has 4 divisors (see below), whose sum is σ = 267794800. Its totient is φ = 200846088.

The previous prime is 234320423. The next prime is 234320467. The reversal of 234320443 is 344023432.

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-234320443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234320423) 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, 16737168 + ... + 16737181.

It is an arithmetic number, because the mean of its divisors is an integer number (66948700).

Almost surely, 2^234320443 is an apocalyptic number.

234320443 is a deficient number, since it is larger than the sum of its proper divisors (33474357).

234320443 is an equidigital number, since it uses as much as digits as its factorization.

234320443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33474356.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 234320443 is about 15307.5289645325. The cubic root of 234320443 is about 616.5051751787.

Adding to 234320443 its reverse (344023432), we get a palindrome (578343875).

The spelling of 234320443 in words is "two hundred thirty-four million, three hundred twenty thousand, four hundred forty-three".