11203707123 has 24 divisors (see below), whose sum is σ = 19299141888. Its totient is φ = 6123764592.

The previous prime is 11203707113. The next prime is 11203707131. The reversal of 11203707123 is 32170730211.

11203707123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11203707123 - 2¹⁰ = 11203706099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11203707113) 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 23 ways as a sum of consecutive naturals, for example, 3864565 + ... + 3867462.

It is an arithmetic number, because the mean of its divisors is an integer number (804130912).

Almost surely, 2^11203707123 is an apocalyptic number.

11203707123 is a deficient number, since it is larger than the sum of its proper divisors (8095434765).

11203707123 is a wasteful number, since it uses less digits than its factorization.

11203707123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732063 (or 7732060 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The spelling of 11203707123 in words is "eleven billion, two hundred three million, seven hundred seven thousand, one hundred twenty-three".