1103403402403 has 4 divisors (see below), whose sum is σ = 1105245478800. Its totient is φ = 1101561326008.

The previous prime is 1103403402391. The next prime is 1103403402407. The reversal of 1103403402403 is 3042043043011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1103403402403 - 2¹³ = 1103403394211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103403402407) 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, 921037300 + ... + 921038497.

It is an arithmetic number, because the mean of its divisors is an integer number (276311369700).

Almost surely, 2^{1103403402403} is an apocalyptic number.

1103403402403 is a deficient number, since it is larger than the sum of its proper divisors (1842076397).

1103403402403 is an equidigital number, since it uses as much as digits as its factorization.

1103403402403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842076396.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1103403402403 its reverse (3042043043011), we get a palindrome (4145446445414).

The spelling of 1103403402403 in words is "one trillion, one hundred three billion, four hundred three million, four hundred two thousand, four hundred three".