123111320030111 has 8 divisors (see below), whose sum is σ = 141287348751360. Its totient is φ = 105082465630968.

The previous prime is 123111320030099. The next prime is 123111320030161. The reversal of 123111320030111 is 111030023111321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123111320030111 - 2³⁸ = 122836442123167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123111320030161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36793578731 + ... + 36793582076.

It is an arithmetic number, because the mean of its divisors is an integer number (17660918593920).

Almost surely, 2^{123111320030111} is an apocalyptic number.

123111320030111 is a deficient number, since it is larger than the sum of its proper divisors (18176028721249).

123111320030111 is an equidigital number, since it uses as much as digits as its factorization.

123111320030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73587161053.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 123111320030111 its reverse (111030023111321), we get a palindrome (234141343141432).

The spelling of 123111320030111 in words is "one hundred twenty-three trillion, one hundred eleven billion, three hundred twenty million, thirty thousand, one hundred eleven".