403163103 has 32 divisors (see below), whose sum is σ = 628300800. Its totient is φ = 225179136.

The previous prime is 403163099. The next prime is 403163119. The reversal of 403163103 is 301361304.

It is not a de Polignac number, because 403163103 - 2² = 403163099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 403163103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403163303) 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 31 ways as a sum of consecutive naturals, for example, 399063 + ... + 400071.

It is an arithmetic number, because the mean of its divisors is an integer number (19634400).

Almost surely, 2^403163103 is an apocalyptic number.

403163103 is a deficient number, since it is larger than the sum of its proper divisors (225137697).

403163103 is a wasteful number, since it uses less digits than its factorization.

403163103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 403163103 is about 20078.9218585062. The cubic root of 403163103 is about 738.7433645666.

The spelling of 403163103 in words is "four hundred three million, one hundred sixty-three thousand, one hundred three".