1103403440343 has 16 divisors (see below), whose sum is σ = 1473507518976. Its totient is φ = 734451288000.

The previous prime is 1103403440323. The next prime is 1103403440371. The reversal of 1103403440343 is 3430443043011.

It is not a de Polignac number, because 1103403440343 - 2¹³ = 1103403432151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103403440343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103403440323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9986680 + ... + 10096562.

It is an arithmetic number, because the mean of its divisors is an integer number (92094219936).

Almost surely, 2^{1103403440343} is an apocalyptic number.

1103403440343 is a deficient number, since it is larger than the sum of its proper divisors (370104078633).

1103403440343 is a wasteful number, since it uses less digits than its factorization.

1103403440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115094.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1103403440343 its reverse (3430443043011), we get a palindrome (4533846483354).

The spelling of 1103403440343 in words is "one trillion, one hundred three billion, four hundred three million, four hundred forty thousand, three hundred forty-three".