42546123 has 6 divisors (see below), whose sum is σ = 61455524. Its totient is φ = 28364076.

The previous prime is 42546109. The next prime is 42546131. The reversal of 42546123 is 32164524.

42546123 is a `hidden beast` number, since 42 + 5 + 4 + 612 + 3 = 666.

42546123 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 42546123 - 2⁶ = 42546059 is a prime.

It is a super-2 number, since 2×42546123² = 3620345164662258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42546173) 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 5 ways as a sum of consecutive naturals, for example, 2363665 + ... + 2363682.

Almost surely, 2^42546123 is an apocalyptic number.

42546123 is a deficient number, since it is larger than the sum of its proper divisors (18909401).

42546123 is a wasteful number, since it uses less digits than its factorization.

42546123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727353 (or 4727350 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 42546123 is about 6522.7389185832. The cubic root of 42546123 is about 349.1027986488.

The spelling of 42546123 in words is "forty-two million, five hundred forty-six thousand, one hundred twenty-three".