42423853 has 8 divisors (see below), whose sum is σ = 43321880. Its totient is φ = 41532480.

The previous prime is 42423833. The next prime is 42423863. The reversal of 42423853 is 35832424.

42423853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11309769 + 31114084 = 3363^2 + 5578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42423853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423833) by changing a digit.

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, 12451 + ... + 15487.

It is an arithmetic number, because the mean of its divisors is an integer number (5415235).

Almost surely, 2^42423853 is an apocalyptic number.

It is an amenable number.

42423853 is a deficient number, since it is larger than the sum of its proper divisors (898027).

42423853 is a wasteful number, since it uses less digits than its factorization.

42423853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327.

The product of its digits is 23040, while the sum is 31.

The square root of 42423853 is about 6513.3595785892. The cubic root of 42423853 is about 348.7680579714.

The spelling of 42423853 in words is "forty-two million, four hundred twenty-three thousand, eight hundred fifty-three".