43243123432 has 16 divisors (see below), whose sum is σ = 82805981760. Its totient is φ = 21161528304.

The previous prime is 43243123409. The next prime is 43243123447. The reversal of 43243123432 is 23432134234.

It is a happy number.

43243123432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43243123394 and 43243123403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57503778 + ... + 57504529.

It is an arithmetic number, because the mean of its divisors is an integer number (5175373860).

Almost surely, 2^43243123432 is an apocalyptic number.

It is an amenable number.

43243123432 is a deficient number, since it is larger than the sum of its proper divisors (39562858328).

43243123432 is a wasteful number, since it uses less digits than its factorization.

43243123432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115008360 (or 115008356 counting only the distinct ones).

The product of its digits is 41472, while the sum is 31.

Adding to 43243123432 its reverse (23432134234), we get a palindrome (66675257666).

The spelling of 43243123432 in words is "forty-three billion, two hundred forty-three million, one hundred twenty-three thousand, four hundred thirty-two".