43124402423 has 4 divisors (see below), whose sum is σ = 43199142000. Its totient is φ = 43049662848.

The previous prime is 43124402339. The next prime is 43124402443. The reversal of 43124402423 is 32420442134.

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 43124402423 - 2²² = 43120208119 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 (43124402443) 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, 37368923 + ... + 37370076.

It is an arithmetic number, because the mean of its divisors is an integer number (10799785500).

Almost surely, 2^43124402423 is an apocalyptic number.

43124402423 is a deficient number, since it is larger than the sum of its proper divisors (74739577).

43124402423 is an equidigital number, since it uses as much as digits as its factorization.

43124402423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74739576.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 43124402423 its reverse (32420442134), we get a palindrome (75544844557).

The spelling of 43124402423 in words is "forty-three billion, one hundred twenty-four million, four hundred two thousand, four hundred twenty-three".