43324431123 has 16 divisors (see below), whose sum is σ = 60810969600. Its totient is φ = 27360660960.

The previous prime is 43324431109. The next prime is 43324431149. The reversal of 43324431123 is 32113442334.

It is a happy number.

It is not a de Polignac number, because 43324431123 - 2²⁵ = 43290876691 is a prime.

It is a super-2 number, since 2×43324431123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43324431103) 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 15 ways as a sum of consecutive naturals, for example, 1043893 + ... + 1084601.

It is an arithmetic number, because the mean of its divisors is an integer number (3800685600).

Almost surely, 2^43324431123 is an apocalyptic number.

43324431123 is a deficient number, since it is larger than the sum of its proper divisors (17486538477).

43324431123 is a wasteful number, since it uses less digits than its factorization.

43324431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59402.

The product of its digits is 20736, while the sum is 30.

Adding to 43324431123 its reverse (32113442334), we get a palindrome (75437873457).

The spelling of 43324431123 in words is "forty-three billion, three hundred twenty-four million, four hundred thirty-one thousand, one hundred twenty-three".