43219423 has 16 divisors (see below), whose sum is σ = 49533120. Its totient is φ = 37357056.

The previous prime is 43219411. The next prime is 43219493. The reversal of 43219423 is 32491234.

It is a cyclic number.

It is not a de Polignac number, because 43219423 - 2⁵ = 43219391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43219391 and 43219400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43219493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59086 + ... + 59812.

It is an arithmetic number, because the mean of its divisors is an integer number (3095820).

Almost surely, 2^43219423 is an apocalyptic number.

43219423 is a deficient number, since it is larger than the sum of its proper divisors (6313697).

43219423 is a wasteful number, since it uses less digits than its factorization.

43219423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its digits is 5184, while the sum is 28.

The square root of 43219423 is about 6574.1480816909. The cubic root of 43219423 is about 350.9347069995.

The spelling of 43219423 in words is "forty-three million, two hundred nineteen thousand, four hundred twenty-three".