42423158 has 8 divisors (see below), whose sum is σ = 64440480. Its totient is φ = 20943000.

The previous prime is 42423149. The next prime is 42423163. The reversal of 42423158 is 85132424.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42423158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134093 + ... + 134408.

It is an arithmetic number, because the mean of its divisors is an integer number (8055060).

Almost surely, 2^42423158 is an apocalyptic number.

42423158 is a deficient number, since it is larger than the sum of its proper divisors (22017322).

42423158 is a wasteful number, since it uses less digits than its factorization.

42423158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268582.

The product of its digits is 7680, while the sum is 29.

The square root of 42423158 is about 6513.3062264874. The cubic root of 42423158 is about 348.7661534208.

The spelling of 42423158 in words is "forty-two million, four hundred twenty-three thousand, one hundred fifty-eight".