43234343423 has 4 divisors (see below), whose sum is σ = 43291456920. Its totient is φ = 43177229928.

The previous prime is 43234343401. The next prime is 43234343431. The reversal of 43234343423 is 32434343234.

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

It is a cyclic number.

It is not a de Polignac number, because 43234343423 - 2⁶ = 43234343359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43234343443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28555613 + ... + 28557126.

It is an arithmetic number, because the mean of its divisors is an integer number (10822864230).

Almost surely, 2^43234343423 is an apocalyptic number.

43234343423 is a deficient number, since it is larger than the sum of its proper divisors (57113497).

43234343423 is an equidigital number, since it uses as much as digits as its factorization.

43234343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57113496.

The product of its digits is 248832, while the sum is 35.

Adding to 43234343423 its reverse (32434343234), we get a palindrome (75668686657).

The spelling of 43234343423 in words is "forty-three billion, two hundred thirty-four million, three hundred forty-three thousand, four hundred twenty-three".