42432303 has 16 divisors (see below), whose sum is σ = 58375296. Its totient is φ = 27396000.

The previous prime is 42432293. The next prime is 42432317. The reversal of 42432303 is 30323424.

It is not a de Polignac number, because 42432303 - 2¹³ = 42424111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42432303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27100 + ... + 28622.

It is an arithmetic number, because the mean of its divisors is an integer number (3648456).

Almost surely, 2^42432303 is an apocalyptic number.

42432303 is a deficient number, since it is larger than the sum of its proper divisors (15942993).

42432303 is a wasteful number, since it uses less digits than its factorization.

42432303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

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

The square root of 42432303 is about 6514.0082130743. The cubic root of 42432303 is about 348.7912123545.

Adding to 42432303 its reverse (30323424), we get a palindrome (72755727).

The spelling of 42432303 in words is "forty-two million, four hundred thirty-two thousand, three hundred three".