42873523 has 8 divisors (see below), whose sum is σ = 53452800. Its totient is φ = 33407880.

The previous prime is 42873503. The next prime is 42873529. The reversal of 42873523 is 32537824.

42873523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42873523 - 2⁹ = 42873011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42873529) 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 7 ways as a sum of consecutive naturals, for example, 278323 + ... + 278476.

It is an arithmetic number, because the mean of its divisors is an integer number (6681600).

Almost surely, 2^42873523 is an apocalyptic number.

42873523 is a deficient number, since it is larger than the sum of its proper divisors (10579277).

42873523 is a wasteful number, since it uses less digits than its factorization.

42873523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556817.

The product of its digits is 40320, while the sum is 34.

The square root of 42873523 is about 6547.7876416390. The cubic root of 42873523 is about 349.9959809062.

The spelling of 42873523 in words is "forty-two million, eight hundred seventy-three thousand, five hundred twenty-three".