11320020012123 has 40 divisors (see below), whose sum is σ = 17163718584320. Its totient is φ = 7433534093040.

The previous prime is 11320020012101. The next prime is 11320020012131. The reversal of 11320020012123 is 32121002002311.

11320020012123 is a `hidden beast` number, since 1 + 1 + 320 + 0 + 200 + 121 + 23 = 666.

11320020012123 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 11320020012123 - 2¹⁰ = 11320020011099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320020012096 and 11320020012105.

It is not an unprimeable number, because it can be changed into a prime (11320020012143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 89585478 + ... + 89711748.

It is an arithmetic number, because the mean of its divisors is an integer number (429092964608).

Almost surely, 2^{11320020012123} is an apocalyptic number.

11320020012123 is a deficient number, since it is larger than the sum of its proper divisors (5843698572197).

11320020012123 is a wasteful number, since it uses less digits than its factorization.

11320020012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142869 (or 142860 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11320020012123 its reverse (32121002002311), we get a palindrome (43441022014434).

The spelling of 11320020012123 in words is "eleven trillion, three hundred twenty billion, twenty million, twelve thousand, one hundred twenty-three".