42320303 has 4 divisors (see below), whose sum is σ = 42396840. Its totient is φ = 42243768.

The previous prime is 42320297. The next prime is 42320329. The reversal of 42320303 is 30302324.

42320303 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 42320303 - 2²² = 38125999 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 (42320203) 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, 37433 + ... + 38546.

It is an arithmetic number, because the mean of its divisors is an integer number (10599210).

Almost surely, 2^42320303 is an apocalyptic number.

42320303 is a deficient number, since it is larger than the sum of its proper divisors (76537).

42320303 is an equidigital number, since it uses as much as digits as its factorization.

42320303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76536.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 42320303 is about 6505.4056752827. The cubic root of 42320303 is about 348.4840639963.

Adding to 42320303 its reverse (30302324), we get a palindrome (72622627).

The spelling of 42320303 in words is "forty-two million, three hundred twenty thousand, three hundred three".