1103323012943 has 2 divisors, whose sum is σ = 1103323012944. Its totient is φ = 1103323012942.

The previous prime is 1103323012919. The next prime is 1103323013077. The reversal of 1103323012943 is 3492103233011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103323012943 - 2¹² = 1103323008847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103323012903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551661506471 + 551661506472.

It is an arithmetic number, because the mean of its divisors is an integer number (551661506472).

Almost surely, 2^{1103323012943} is an apocalyptic number.

1103323012943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103323012943 is an equidigital number, since it uses as much as digits as its factorization.

1103323012943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

Adding to 1103323012943 its reverse (3492103233011), we get a palindrome (4595426245954).

The spelling of 1103323012943 in words is "one trillion, one hundred three billion, three hundred twenty-three million, twelve thousand, nine hundred forty-three".