43223403 has 8 divisors (see below), whose sum is σ = 57662416. Its totient is φ = 28800000.

The previous prime is 43223387. The next prime is 43223407. The reversal of 43223403 is 30432234.

43223403 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 43223403 - 2⁴ = 43223387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43223403.

It is not an unprimeable number, because it can be changed into a prime (43223407) 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, 6603 + ... + 11403.

It is an arithmetic number, because the mean of its divisors is an integer number (7207802).

Almost surely, 2^43223403 is an apocalyptic number.

43223403 is a deficient number, since it is larger than the sum of its proper divisors (14439013).

43223403 is a wasteful number, since it uses less digits than its factorization.

43223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805.

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

The square root of 43223403 is about 6574.4507755401. The cubic root of 43223403 is about 350.9454789871.

Adding to 43223403 its reverse (30432234), we get a palindrome (73655637).

It can be divided in two parts, 43 and 223403, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 43223403 in words is "forty-three million, two hundred twenty-three thousand, four hundred three".