11203032123 has 24 divisors (see below), whose sum is σ = 16710061056. Its totient is φ = 7225210800.

The previous prime is 11203032083. The next prime is 11203032143. The reversal of 11203032123 is 32123030211.

11203032123 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 11203032123 - 2⁶ = 11203032059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203032096 and 11203032105.

It is not an unprimeable number, because it can be changed into a prime (11203032143) 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, 1086036 + ... + 1096302.

It is an arithmetic number, because the mean of its divisors is an integer number (696252544).

Almost surely, 2^11203032123 is an apocalyptic number.

11203032123 is a deficient number, since it is larger than the sum of its proper divisors (5507028933).

11203032123 is a wasteful number, since it uses less digits than its factorization.

11203032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215 (or 14212 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11203032123 its reverse (32123030211), we get a palindrome (43326062334).

The spelling of 11203032123 in words is "eleven billion, two hundred three million, thirty-two thousand, one hundred twenty-three".