423044112 has 80 divisors (see below), whose sum is σ = 1139927040. Its totient is φ = 135023616.

The previous prime is 423044087. The next prime is 423044117. The reversal of 423044112 is 211440324.

It is not an unprimeable number, because it can be changed into a prime (423044117) 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 15 ways as a sum of consecutive naturals, for example, 175588 + ... + 177980.

It is an arithmetic number, because the mean of its divisors is an integer number (14249088).

Almost surely, 2^423044112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423044112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569963520).

423044112 is an abundant number, since it is smaller than the sum of its proper divisors (716882928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423044112 is a wasteful number, since it uses less digits than its factorization.

423044112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2554 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 423044112 is about 20568.0361726636. The cubic root of 423044112 is about 750.6921681190.

Adding to 423044112 its reverse (211440324), we get a palindrome (634484436).

The spelling of 423044112 in words is "four hundred twenty-three million, forty-four thousand, one hundred twelve".