42423244 has 12 divisors (see below), whose sum is σ = 74319784. Its totient is φ = 21189024.

The previous prime is 42423229. The next prime is 42423263. The reversal of 42423244 is 44232424.

42423244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1002 + ... + 9265.

Almost surely, 2^42423244 is an apocalyptic number.

It is an amenable number.

42423244 is a deficient number, since it is larger than the sum of its proper divisors (31896540).

42423244 is a wasteful number, since it uses less digits than its factorization.

42423244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304 (or 11302 counting only the distinct ones).

The product of its digits is 6144, while the sum is 25.

The square root of 42423244 is about 6513.3128283539. The cubic root of 42423244 is about 348.7663890929.

Adding to 42423244 its reverse (44232424), we get a palindrome (86655668).

The spelling of 42423244 in words is "forty-two million, four hundred twenty-three thousand, two hundred forty-four".