43004430423 has 12 divisors (see below), whose sum is σ = 62123175088. Its totient is φ = 28667005920.

The previous prime is 43004430379. The next prime is 43004430433. The reversal of 43004430423 is 32403440034.

It is not a de Polignac number, because 43004430423 - 2¹³ = 43004422231 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 (43004430433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110923 + ... + 313548.

Almost surely, 2^43004430423 is an apocalyptic number.

43004430423 is a deficient number, since it is larger than the sum of its proper divisors (19118744665).

43004430423 is a wasteful number, since it uses less digits than its factorization.

43004430423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435734 (or 435731 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 43004430423 its reverse (32403440034), we get a palindrome (75407870457).

The spelling of 43004430423 in words is "forty-three billion, four million, four hundred thirty thousand, four hundred twenty-three".