1103423421203 has 2 divisors, whose sum is σ = 1103423421204. Its totient is φ = 1103423421202.

The previous prime is 1103423421143. The next prime is 1103423421223. The reversal of 1103423421203 is 3021243243011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103423421203 - 2³⁴ = 1086243552019 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1103423421223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551711710601 + 551711710602.

It is an arithmetic number, because the mean of its divisors is an integer number (551711710602).

Almost surely, 2^{1103423421203} is an apocalyptic number.

1103423421203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103423421203 is an equidigital number, since it uses as much as digits as its factorization.

1103423421203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1103423421203 its reverse (3021243243011), we get a palindrome (4124666664214).

The spelling of 1103423421203 in words is "one trillion, one hundred three billion, four hundred twenty-three million, four hundred twenty-one thousand, two hundred three".