100403112003 has 8 divisors (see below), whose sum is σ = 133872554688. Its totient is φ = 66934538664.

The previous prime is 100403112001. The next prime is 100403112049. The reversal of 100403112003 is 300211304001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100403112003 - 2¹ = 100403112001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100403112001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132676 + ... + 467342.

It is an arithmetic number, because the mean of its divisors is an integer number (16734069336).

Almost surely, 2^100403112003 is an apocalyptic number.

100403112003 is a deficient number, since it is larger than the sum of its proper divisors (33469442685).

100403112003 is a wasteful number, since it uses less digits than its factorization.

100403112003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434673.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100403112003 its reverse (300211304001), we get a palindrome (400614416004).

The spelling of 100403112003 in words is "one hundred billion, four hundred three million, one hundred twelve thousand, three".