43444123432 has 16 divisors (see below), whose sum is σ = 81514597140. Its totient is φ = 21706897536.

The previous prime is 43444123423. The next prime is 43444123439. The reversal of 43444123432 is 23432144434.

43444123432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36838660356 + 6605463076 = 191934^2 + 81274^2 .

It is not an unprimeable number, because it can be changed into a prime (43444123439) 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, 1883343 + ... + 1906270.

Almost surely, 2^43444123432 is an apocalyptic number.

It is an amenable number.

43444123432 is a deficient number, since it is larger than the sum of its proper divisors (38070473708).

43444123432 is a wasteful number, since it uses less digits than its factorization.

43444123432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791052 (or 3791048 counting only the distinct ones).

The product of its digits is 110592, while the sum is 34.

Adding to 43444123432 its reverse (23432144434), we get a palindrome (66876267866).

The spelling of 43444123432 in words is "forty-three billion, four hundred forty-four million, one hundred twenty-three thousand, four hundred thirty-two".