423344444 has 12 divisors (see below), whose sum is σ = 741044304. Its totient is φ = 211617504.

The previous prime is 423344419. The next prime is 423344461. The reversal of 423344444 is 444443324.

It is a self number, because there is not a number n which added to its sum of digits gives 423344444.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7304 + ... + 30000.

It is an arithmetic number, because the mean of its divisors is an integer number (61753692).

Almost surely, 2^423344444 is an apocalyptic number.

It is an amenable number.

423344444 is a deficient number, since it is larger than the sum of its proper divisors (317699860).

423344444 is a wasteful number, since it uses less digits than its factorization.

423344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27364 (or 27362 counting only the distinct ones).

The product of its digits is 73728, while the sum is 32.

The square root of 423344444 is about 20575.3358174296. The cubic root of 423344444 is about 750.8697725673.

Adding to 423344444 its reverse (444443324), we get a palindrome (867787768).

The spelling of 423344444 in words is "four hundred twenty-three million, three hundred forty-four thousand, four hundred forty-four".