42323844 has 12 divisors (see below), whose sum is σ = 98755664. Its totient is φ = 14107944.

The previous prime is 42323843. The next prime is 42323851. The reversal of 42323844 is 44832324.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42323843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763482 + ... + 1763505.

Almost surely, 2^42323844 is an apocalyptic number.

It is an amenable number.

42323844 is an abundant number, since it is smaller than the sum of its proper divisors (56431820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42323844 is a wasteful number, since it uses less digits than its factorization.

42323844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526994 (or 3526992 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 42323844 is about 6505.6778278670. The cubic root of 42323844 is about 348.4937831112.

The spelling of 42323844 in words is "forty-two million, three hundred twenty-three thousand, eight hundred forty-four".