42203303 has 2 divisors, whose sum is σ = 42203304. Its totient is φ = 42203302.

The previous prime is 42203297. The next prime is 42203341. The reversal of 42203303 is 30330224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42203303 - 2²⁰ = 41154727 is a prime.

It is a super-3 number, since 3×42203303³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42203363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101651 + 21101652.

It is an arithmetic number, because the mean of its divisors is an integer number (21101652).

Almost surely, 2^42203303 is an apocalyptic number.

42203303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42203303 is an equidigital number, since it uses as much as digits as its factorization.

42203303 is an evil number, because the sum of its binary digits is even.

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

The square root of 42203303 is about 6496.4069299883. The cubic root of 42203303 is about 348.1626243707.

Adding to 42203303 its reverse (30330224), we get a palindrome (72533527).

The spelling of 42203303 in words is "forty-two million, two hundred three thousand, three hundred three".