42235423 has 8 divisors (see below), whose sum is σ = 45893120. Its totient is φ = 38721240.

The previous prime is 42235411. The next prime is 42235439. The reversal of 42235423 is 32453224.

42235423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-42235423 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 (42235493) 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, 35265 + ... + 36442.

It is an arithmetic number, because the mean of its divisors is an integer number (5736640).

Almost surely, 2^42235423 is an apocalyptic number.

42235423 is a deficient number, since it is larger than the sum of its proper divisors (3657697).

42235423 is a wasteful number, since it uses less digits than its factorization.

42235423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71757.

The product of its digits is 5760, while the sum is 25.

The square root of 42235423 is about 6498.8785955732. The cubic root of 42235423 is about 348.2509282621.

Adding to 42235423 its reverse (32453224), we get a palindrome (74688647).

The spelling of 42235423 in words is "forty-two million, two hundred thirty-five thousand, four hundred twenty-three".