42423854 has 16 divisors (see below), whose sum is σ = 69552000. Its totient is φ = 19247160.

The previous prime is 42423833. The next prime is 42423863. The reversal of 42423854 is 45832424.

42423854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42423854.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12647 + ... + 15645.

It is an arithmetic number, because the mean of its divisors is an integer number (4347000).

Almost surely, 2^42423854 is an apocalyptic number.

42423854 is a deficient number, since it is larger than the sum of its proper divisors (27128146).

42423854 is a wasteful number, since it uses less digits than its factorization.

42423854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655.

The product of its digits is 30720, while the sum is 32.

The square root of 42423854 is about 6513.3596553545. The cubic root of 42423854 is about 348.7680607117.

The spelling of 42423854 in words is "forty-two million, four hundred twenty-three thousand, eight hundred fifty-four".