42243303 has 4 divisors (see below), whose sum is σ = 56324408. Its totient is φ = 28162200.

The previous prime is 42243281. The next prime is 42243337. The reversal of 42243303 is 30334224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42243303 - 2⁶ = 42243239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42243303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42243373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7040548 + ... + 7040553.

It is an arithmetic number, because the mean of its divisors is an integer number (14081102).

Almost surely, 2^42243303 is an apocalyptic number.

42243303 is a deficient number, since it is larger than the sum of its proper divisors (14081105).

42243303 is a wasteful number, since it uses less digits than its factorization.

42243303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14081104.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 42243303 is about 6499.4848257381. The cubic root of 42243303 is about 348.2725850174.

Adding to 42243303 its reverse (30334224), we get a palindrome (72577527).

The spelling of 42243303 in words is "forty-two million, two hundred forty-three thousand, three hundred three".