42423111 has 12 divisors (see below), whose sum is σ = 61357192. Its totient is φ = 28245456.

The previous prime is 42423107. The next prime is 42423113. The reversal of 42423111 is 11132424.

42423111 is a `hidden beast` number, since 424 + 231 + 11 = 666.

42423111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42423111 - 2² = 42423107 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 (42423113) 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 11 ways as a sum of consecutive naturals, for example, 5565 + ... + 10761.

Almost surely, 2^42423111 is an apocalyptic number.

42423111 is a deficient number, since it is larger than the sum of its proper divisors (18934081).

42423111 is a wasteful number, since it uses less digits than its factorization.

42423111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110 (or 6107 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 42423111 is about 6513.3026184878. The cubic root of 42423111 is about 348.7660246231.

Adding to 42423111 its reverse (11132424), we get a palindrome (53555535).

The spelling of 42423111 in words is "forty-two million, four hundred twenty-three thousand, one hundred eleven".