43143440443 has 4 divisors (see below), whose sum is σ = 43333499880. Its totient is φ = 42953381008.

The previous prime is 43143440437. The next prime is 43143440507. The reversal of 43143440443 is 34404434134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43143440443 - 2⁹ = 43143439931 is a prime.

It is a super-2 number, since 2×43143440443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43143440399 and 43143440408.

It is not an unprimeable number, because it can be changed into a prime (43143440143) 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, 95029378 + ... + 95029831.

It is an arithmetic number, because the mean of its divisors is an integer number (10833374970).

Almost surely, 2^43143440443 is an apocalyptic number.

43143440443 is a deficient number, since it is larger than the sum of its proper divisors (190059437).

43143440443 is a wasteful number, since it uses less digits than its factorization.

43143440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190059436.

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

Adding to 43143440443 its reverse (34404434134), we get a palindrome (77547874577).

The spelling of 43143440443 in words is "forty-three billion, one hundred forty-three million, four hundred forty thousand, four hundred forty-three".