43122143432 has 32 divisors (see below), whose sum is σ = 83221228920. Its totient is φ = 20932369920.

The previous prime is 43122143431. The next prime is 43122143447. The reversal of 43122143432 is 23434122134.

It can be written as a sum of positive squares in 4 ways, for example, as 41133518596 + 1988624836 = 202814^2 + 44594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43122143395 and 43122143404.

It is not an unprimeable number, because it can be changed into a prime (43122143431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24119 + ... + 294662.

Almost surely, 2^43122143432 is an apocalyptic number.

It is an amenable number.

43122143432 is a deficient number, since it is larger than the sum of its proper divisors (40099085488).

43122143432 is a wasteful number, since it uses less digits than its factorization.

43122143432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319281 (or 319277 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 43122143432 its reverse (23434122134), we get a palindrome (66556265566).

The spelling of 43122143432 in words is "forty-three billion, one hundred twenty-two million, one hundred forty-three thousand, four hundred thirty-two".