1123223100203 has 4 divisors (see below), whose sum is σ = 1138609718088. Its totient is φ = 1107836482320.

The previous prime is 1123223100179. The next prime is 1123223100217. The reversal of 1123223100203 is 3020013223211.

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 1123223100203 - 2¹⁶ = 1123223034667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123223100253) 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 in 3 ways as a sum of consecutive naturals, for example, 7693308833 + ... + 7693308978.

It is an arithmetic number, because the mean of its divisors is an integer number (284652429522).

Almost surely, 2^{1123223100203} is an apocalyptic number.

1123223100203 is a deficient number, since it is larger than the sum of its proper divisors (15386617885).

1123223100203 is an equidigital number, since it uses as much as digits as its factorization.

1123223100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15386617884.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1123223100203 its reverse (3020013223211), we get a palindrome (4143236323414).

The spelling of 1123223100203 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-three million, one hundred thousand, two hundred three".