43424003 has 4 divisors (see below), whose sum is σ = 49627440. Its totient is φ = 37220568.

The previous prime is 43423999. The next prime is 43424033. The reversal of 43424003 is 30042434.

It is a happy number.

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

It is not a de Polignac number, because 43424003 - 2² = 43423999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43424033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3101708 + ... + 3101721.

It is an arithmetic number, because the mean of its divisors is an integer number (12406860).

Almost surely, 2^43424003 is an apocalyptic number.

43424003 is a deficient number, since it is larger than the sum of its proper divisors (6203437).

43424003 is an equidigital number, since it uses as much as digits as its factorization.

43424003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203436.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 43424003 is about 6589.6891428959. The cubic root of 43424003 is about 351.4875544197.

Adding to 43424003 its reverse (30042434), we get a palindrome (73466437).

The spelling of 43424003 in words is "forty-three million, four hundred twenty-four thousand, three".