234343543 has 4 divisors (see below), whose sum is σ = 267821200. Its totient is φ = 200865888.

The previous prime is 234343537. The next prime is 234343553. The reversal of 234343543 is 345343432.

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-234343543 is a prime.

It is a super-2 number, since 2×234343543² = 109833792291585698, 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 (234343513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16738818 + ... + 16738831.

It is an arithmetic number, because the mean of its divisors is an integer number (66955300).

Almost surely, 2^234343543 is an apocalyptic number.

234343543 is a deficient number, since it is larger than the sum of its proper divisors (33477657).

234343543 is an equidigital number, since it uses as much as digits as its factorization.

234343543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33477656.

The product of its digits is 51840, while the sum is 31.

The square root of 234343543 is about 15308.2834766018. The cubic root of 234343543 is about 616.5254334789.

Adding to 234343543 its reverse (345343432), we get a palindrome (579686975).

The spelling of 234343543 in words is "two hundred thirty-four million, three hundred forty-three thousand, five hundred forty-three".