1123321113203 has 4 divisors (see below), whose sum is σ = 1124108305320. Its totient is φ = 1122533921088.

The previous prime is 1123321113127. The next prime is 1123321113221. The reversal of 1123321113203 is 3023111233211.

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 1123321113203 - 2³⁶ = 1054601636467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123321113263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393593918 + ... + 393596771.

It is an arithmetic number, because the mean of its divisors is an integer number (281027076330).

Almost surely, 2^{1123321113203} is an apocalyptic number.

1123321113203 is a deficient number, since it is larger than the sum of its proper divisors (787192117).

1123321113203 is an equidigital number, since it uses as much as digits as its factorization.

1123321113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787192116.

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

Adding to 1123321113203 its reverse (3023111233211), we get a palindrome (4146432346414).

The spelling of 1123321113203 in words is "one trillion, one hundred twenty-three billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred three".