1103403403 has 16 divisors (see below), whose sum is σ = 1178496000. Its totient is φ = 1030851360.

The previous prime is 1103403391. The next prime is 1103403409. The reversal of 1103403403 is 3043043011.

It is a cyclic number.

It is not a de Polignac number, because 1103403403 - 2⁹ = 1103402891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103403409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174898 + ... + 181096.

It is an arithmetic number, because the mean of its divisors is an integer number (73656000).

Almost surely, 2^1103403403 is an apocalyptic number.

1103403403 is a deficient number, since it is larger than the sum of its proper divisors (75092597).

1103403403 is a wasteful number, since it uses less digits than its factorization.

1103403403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402.

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

The square root of 1103403403 is about 33217.5165086133. The cubic root of 1103403403 is about 1033.3436451856.

Adding to 1103403403 its reverse (3043043011), we get a palindrome (4146446414).

The spelling of 1103403403 in words is "one billion, one hundred three million, four hundred three thousand, four hundred three".