42042303 has 18 divisors (see below), whose sum is σ = 61932416. Its totient is φ = 27482832.

The previous prime is 42042283. The next prime is 42042311. The reversal of 42042303 is 30324024.

42042303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42042303 - 2⁵ = 42042271 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 (42042313) 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 17 ways as a sum of consecutive naturals, for example, 24450 + ... + 26112.

Almost surely, 2^42042303 is an apocalyptic number.

42042303 is a deficient number, since it is larger than the sum of its proper divisors (19890113).

42042303 is a wasteful number, since it uses less digits than its factorization.

42042303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42042303 is about 6484.0036243050. The cubic root of 42042303 is about 347.7193287852.

Adding to 42042303 its reverse (30324024), we get a palindrome (72366327).

The spelling of 42042303 in words is "forty-two million, forty-two thousand, three hundred three".