42835523 has 4 divisors (see below), whose sum is σ = 44312640. Its totient is φ = 41358408.

The previous prime is 42835517. The next prime is 42835531. The reversal of 42835523 is 32553824.

42835523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42835523 - 2¹⁰ = 42834499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42835523.

It is not an unprimeable number, because it can be changed into a prime (42835543) 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 3 ways as a sum of consecutive naturals, for example, 738515 + ... + 738572.

It is an arithmetic number, because the mean of its divisors is an integer number (11078160).

Almost surely, 2^42835523 is an apocalyptic number.

42835523 is a deficient number, since it is larger than the sum of its proper divisors (1477117).

42835523 is a wasteful number, since it uses less digits than its factorization.

42835523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477116.

The product of its digits is 28800, while the sum is 32.

The square root of 42835523 is about 6544.8852549147. The cubic root of 42835523 is about 349.8925466060.

The spelling of 42835523 in words is "forty-two million, eight hundred thirty-five thousand, five hundred twenty-three".