42420383 has 4 divisors (see below), whose sum is σ = 42491568. Its totient is φ = 42349200.

The previous prime is 42420379. The next prime is 42420401. The reversal of 42420383 is 38302424.

42420383 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 42420383 - 2² = 42420379 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42420683) 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, 34691 + ... + 35892.

It is an arithmetic number, because the mean of its divisors is an integer number (10622892).

Almost surely, 2^42420383 is an apocalyptic number.

42420383 is a deficient number, since it is larger than the sum of its proper divisors (71185).

42420383 is an equidigital number, since it uses as much as digits as its factorization.

42420383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71184.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42420383 is about 6513.0931975521. The cubic root of 42420383 is about 348.7585487128.

The spelling of 42420383 in words is "forty-two million, four hundred twenty thousand, three hundred eighty-three".