42343783 has 4 divisors (see below), whose sum is σ = 42361720. Its totient is φ = 42325848.

The previous prime is 42343781. The next prime is 42343801. The reversal of 42343783 is 38734324.

It is a happy number.

42343783 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 a cyclic number.

It is not a de Polignac number, because 42343783 - 2¹ = 42343781 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 (42343781) 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, 4773 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (10590430).

Almost surely, 2^42343783 is an apocalyptic number.

42343783 is a deficient number, since it is larger than the sum of its proper divisors (17937).

42343783 is a wasteful number, since it uses less digits than its factorization.

42343783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17936.

The product of its digits is 48384, while the sum is 34.

The square root of 42343783 is about 6507.2100780596. The cubic root of 42343783 is about 348.5485003107.

The spelling of 42343783 in words is "forty-two million, three hundred forty-three thousand, seven hundred eighty-three".