11203303220123 has 12 divisors (see below), whose sum is σ = 13107745832400. Its totient is φ = 9547323628752.

The previous prime is 11203303220111. The next prime is 11203303220129. The reversal of 11203303220123 is 32102230330211.

It is not a de Polignac number, because 11203303220123 - 2⁴ = 11203303220107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203303220129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660797423 + ... + 660814376.

It is an arithmetic number, because the mean of its divisors is an integer number (1092312152700).

Almost surely, 2^{11203303220123} is an apocalyptic number.

11203303220123 is a deficient number, since it is larger than the sum of its proper divisors (1904442612277).

11203303220123 is a wasteful number, since it uses less digits than its factorization.

11203303220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321611986 (or 1321611979 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 11203303220123 its reverse (32102230330211), we get a palindrome (43305533550334).

The spelling of 11203303220123 in words is "eleven trillion, two hundred three billion, three hundred three million, two hundred twenty thousand, one hundred twenty-three".