1103323113173 has 2 divisors, whose sum is σ = 1103323113174. Its totient is φ = 1103323113172.

The previous prime is 1103323113121. The next prime is 1103323113181. The reversal of 1103323113173 is 3713113233011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 586452703204 + 516870409969 = 765802^2 + 718937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103323113173 - 2¹⁰ = 1103323112149 is a prime.

It is a super-2 number, since 2×1103323113173² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103323113103) 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 as a sum of consecutive naturals, namely, 551661556586 + 551661556587.

It is an arithmetic number, because the mean of its divisors is an integer number (551661556587).

Almost surely, 2^{1103323113173} is an apocalyptic number.

It is an amenable number.

1103323113173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103323113173 is an equidigital number, since it uses as much as digits as its factorization.

1103323113173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

Adding to 1103323113173 its reverse (3713113233011), we get a palindrome (4816436346184).

The spelling of 1103323113173 in words is "one trillion, one hundred three billion, three hundred twenty-three million, one hundred thirteen thousand, one hundred seventy-three".