43324432423 has 4 divisors (see below), whose sum is σ = 43872843040. Its totient is φ = 42776021808.

The previous prime is 43324432409. The next prime is 43324432427. The reversal of 43324432423 is 32423442334.

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 43324432423 - 2²⁵ = 43290877991 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 (43324432427) 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, 274205190 + ... + 274205347.

It is an arithmetic number, because the mean of its divisors is an integer number (10968210760).

Almost surely, 2^43324432423 is an apocalyptic number.

43324432423 is a deficient number, since it is larger than the sum of its proper divisors (548410617).

43324432423 is an equidigital number, since it uses as much as digits as its factorization.

43324432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548410616.

The product of its digits is 165888, while the sum is 34.

Adding to 43324432423 its reverse (32423442334), we get a palindrome (75747874757).

The spelling of 43324432423 in words is "forty-three billion, three hundred twenty-four million, four hundred thirty-two thousand, four hundred twenty-three".