42103220403 has 16 divisors (see below), whose sum is σ = 56895948800. Its totient is φ = 27690249600.

The previous prime is 42103220389. The next prime is 42103220429. The reversal of 42103220403 is 30402230124.

It is not a de Polignac number, because 42103220403 - 2⁵ = 42103220371 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 42103220403.

It is not an unprimeable number, because it can be changed into a prime (42103220483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210678 + ... + 358596.

It is an arithmetic number, because the mean of its divisors is an integer number (3555996800).

Almost surely, 2^42103220403 is an apocalyptic number.

42103220403 is a deficient number, since it is larger than the sum of its proper divisors (14792728397).

42103220403 is a wasteful number, since it uses less digits than its factorization.

42103220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149202.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 42103220403 its reverse (30402230124), we get a palindrome (72505450527).

The spelling of 42103220403 in words is "forty-two billion, one hundred three million, two hundred twenty thousand, four hundred three".