100403103403 has 4 divisors (see below), whose sum is σ = 100404431568. Its totient is φ = 100401775240.

The previous prime is 100403103377. The next prime is 100403103527. The reversal of 100403103403 is 304301304001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304301304001 = 6779 ⋅44888819.

It is a cyclic number.

It is not a de Polignac number, because 100403103403 - 2¹³ = 100403095211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107403103403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543376 + ... + 704317.

It is an arithmetic number, because the mean of its divisors is an integer number (25101107892).

Almost surely, 2^100403103403 is an apocalyptic number.

100403103403 is a deficient number, since it is larger than the sum of its proper divisors (1328165).

100403103403 is an equidigital number, since it uses as much as digits as its factorization.

100403103403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328164.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100403103403 its reverse (304301304001), we get a palindrome (404704407404).

The spelling of 100403103403 in words is "one hundred billion, four hundred three million, one hundred three thousand, four hundred three".