1123321323203 has 4 divisors (see below), whose sum is σ = 1132166373120. Its totient is φ = 1114476273288.

The previous prime is 1123321323133. The next prime is 1123321323209. The reversal of 1123321323203 is 3023231233211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123321323203 - 2²⁰ = 1123320274627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123321323209) 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 in 3 ways as a sum of consecutive naturals, for example, 4422524768 + ... + 4422525021.

It is an arithmetic number, because the mean of its divisors is an integer number (283041593280).

Almost surely, 2^{1123321323203} is an apocalyptic number.

1123321323203 is a deficient number, since it is larger than the sum of its proper divisors (8845049917).

1123321323203 is an equidigital number, since it uses as much as digits as its factorization.

1123321323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845049916.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1123321323203 its reverse (3023231233211), we get a palindrome (4146552556414).

The spelling of 1123321323203 in words is "one trillion, one hundred twenty-three billion, three hundred twenty-one million, three hundred twenty-three thousand, two hundred three".