1123231321103 has 2 divisors, whose sum is σ = 1123231321104. Its totient is φ = 1123231321102.

The previous prime is 1123231321099. The next prime is 1123231321139. The reversal of 1123231321103 is 3011231323211.

It is a weak prime.

It is an emirp because it is prime and its reverse (3011231323211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123231321103 - 2² = 1123231321099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123231320103) 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, 561615660551 + 561615660552.

It is an arithmetic number, because the mean of its divisors is an integer number (561615660552).

Almost surely, 2^{1123231321103} is an apocalyptic number.

1123231321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123231321103 is an equidigital number, since it uses as much as digits as its factorization.

1123231321103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1123231321103 its reverse (3011231323211), we get a palindrome (4134462644314).

The spelling of 1123231321103 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred three".