43430043 has 8 divisors (see below), whose sum is σ = 59253568. Its totient is φ = 28279944.

The previous prime is 43430033. The next prime is 43430047. The reversal of 43430043 is 34003434.

43430043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43430043 - 2⁴ = 43430027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43430047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168205 + ... + 168462.

It is an arithmetic number, because the mean of its divisors is an integer number (7406696).

Almost surely, 2^43430043 is an apocalyptic number.

43430043 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

43430043 is a deficient number, since it is larger than the sum of its proper divisors (15823525).

43430043 is a wasteful number, since it uses less digits than its factorization.

43430043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336713.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 43430043 is about 6590.1474186850. The cubic root of 43430043 is about 351.5038502182.

Adding to 43430043 its reverse (34003434), we get a palindrome (77433477).

The spelling of 43430043 in words is "forty-three million, four hundred thirty thousand, forty-three".