42423351 has 4 divisors (see below), whose sum is σ = 56564472. Its totient is φ = 28282232.

The previous prime is 42423307. The next prime is 42423361. The reversal of 42423351 is 15332424.

42423351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42423351 - 2⁷ = 42423223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423361) 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 3 ways as a sum of consecutive naturals, for example, 7070556 + ... + 7070561.

It is an arithmetic number, because the mean of its divisors is an integer number (14141118).

Almost surely, 2^42423351 is an apocalyptic number.

42423351 is a deficient number, since it is larger than the sum of its proper divisors (14141121).

42423351 is a wasteful number, since it uses less digits than its factorization.

42423351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14141120.

The product of its digits is 2880, while the sum is 24.

The square root of 42423351 is about 6513.3210422948. The cubic root of 42423351 is about 348.7666823124.

Adding to 42423351 its reverse (15332424), we get a palindrome (57755775).

The spelling of 42423351 in words is "forty-two million, four hundred twenty-three thousand, three hundred fifty-one".