43023421430 has 16 divisors (see below), whose sum is σ = 84482355024. Its totient is φ = 15644880480.

The previous prime is 43023421429. The next prime is 43023421531. The reversal of 43023421430 is 3412432034.

43023421430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 43023421430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195560897 + ... + 195561116.

It is an arithmetic number, because the mean of its divisors is an integer number (5280147189).

Almost surely, 2^43023421430 is an apocalyptic number.

43023421430 is a deficient number, since it is larger than the sum of its proper divisors (41458933594).

43023421430 is a wasteful number, since it uses less digits than its factorization.

43023421430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391122031.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 43023421430 its reverse (3412432034), we get a palindrome (46435853464).

The spelling of 43023421430 in words is "forty-three billion, twenty-three million, four hundred twenty-one thousand, four hundred thirty".