43223427 has 24 divisors (see below), whose sum is σ = 69560400. Its totient is φ = 25679808.

The previous prime is 43223407. The next prime is 43223429. The reversal of 43223427 is 72432234.

It is not a de Polignac number, because 43223427 - 2⁸ = 43223171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43223427.

It is not an unprimeable number, because it can be changed into a prime (43223429) 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 23 ways as a sum of consecutive naturals, for example, 2977 + ... + 9762.

It is an arithmetic number, because the mean of its divisors is an integer number (2898350).

Almost surely, 2^43223427 is an apocalyptic number.

43223427 is a deficient number, since it is larger than the sum of its proper divisors (26336973).

43223427 is a wasteful number, since it uses less digits than its factorization.

43223427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787 (or 12784 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 43223427 is about 6574.4526007874. The cubic root of 43223427 is about 350.9455439418.

The spelling of 43223427 in words is "forty-three million, two hundred twenty-three thousand, four hundred twenty-seven".