43424131443 has 32 divisors (see below), whose sum is σ = 72847864320. Its totient is φ = 22351023360.

The previous prime is 43424131409. The next prime is 43424131453. The reversal of 43424131443 is 34413142434.

43424131443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43424131443 - 2¹² = 43424127347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (43424131453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837130 + ... + 887487.

It is an arithmetic number, because the mean of its divisors is an integer number (2276495760).

Almost surely, 2^43424131443 is an apocalyptic number.

43424131443 is a deficient number, since it is larger than the sum of its proper divisors (29423732877).

43424131443 is a wasteful number, since it uses less digits than its factorization.

43424131443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724747.

The product of its digits is 55296, while the sum is 33.

Adding to 43424131443 its reverse (34413142434), we get a palindrome (77837273877).

The spelling of 43424131443 in words is "forty-three billion, four hundred twenty-four million, one hundred thirty-one thousand, four hundred forty-three".