11331131332123 has 4 divisors (see below), whose sum is σ = 11331140559088. Its totient is φ = 11331122105160.

The previous prime is 11331131332093. The next prime is 11331131332139. The reversal of 11331131332123 is 32123313113311.

It is a happy number.

11331131332123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11331131332123 - 2²⁹ = 11330594461211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331131332091 and 11331131332100.

It is not an unprimeable number, because it can be changed into a prime (11331131332153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425536 + ... + 5342797.

It is an arithmetic number, because the mean of its divisors is an integer number (2832785139772).

Almost surely, 2^{11331131332123} is an apocalyptic number.

11331131332123 is a deficient number, since it is larger than the sum of its proper divisors (9226965).

11331131332123 is an equidigital number, since it uses as much as digits as its factorization.

11331131332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226964.

The product of its digits is 2916, while the sum is 28.

Adding to 11331131332123 its reverse (32123313113311), we get a palindrome (43454444445434).

The spelling of 11331131332123 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirty-two thousand, one hundred twenty-three".