11203323320123 has 16 divisors (see below), whose sum is σ = 12307577529600. Its totient is φ = 10113417132000.

The previous prime is 11203323320117. The next prime is 11203323320201. The reversal of 11203323320123 is 32102332330211.

It is a cyclic number.

It is not a de Polignac number, because 11203323320123 - 2¹⁰ = 11203323319099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203323320092 and 11203323320101.

It is not an unprimeable number, because it can be changed into a prime (11203323325123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2910836 + ... + 5556942.

It is an arithmetic number, because the mean of its divisors is an integer number (769223595600).

Almost surely, 2^{11203323320123} is an apocalyptic number.

11203323320123 is a deficient number, since it is larger than the sum of its proper divisors (1104254209477).

11203323320123 is a wasteful number, since it uses less digits than its factorization.

11203323320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648818.

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

Adding to 11203323320123 its reverse (32102332330211), we get a palindrome (43305655650334).

The spelling of 11203323320123 in words is "eleven trillion, two hundred three billion, three hundred twenty-three million, three hundred twenty thousand, one hundred twenty-three".