42322503 has 16 divisors (see below), whose sum is σ = 60000480. Its totient is φ = 26443776.

The previous prime is 42322477. The next prime is 42322559. The reversal of 42322503 is 30522324.

It is not a de Polignac number, because 42322503 - 2⁶ = 42322439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42322503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322573) 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, 11493 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (3750030).

Almost surely, 2^42322503 is an apocalyptic number.

42322503 is a deficient number, since it is larger than the sum of its proper divisors (17677977).

42322503 is a wasteful number, since it uses less digits than its factorization.

42322503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42322503 is about 6505.5747632319. The cubic root of 42322503 is about 348.4901024822.

Adding to 42322503 its reverse (30522324), we get a palindrome (72844827).

The spelling of 42322503 in words is "forty-two million, three hundred twenty-two thousand, five hundred three".