123320110311 has 8 divisors (see below), whose sum is σ = 182696459760. Its totient is φ = 82213406856.

The previous prime is 123320110301. The next prime is 123320110351. The reversal of 123320110311 is 113011023321.

123320110311 is a `hidden beast` number, since 1 + 23 + 320 + 1 + 10 + 311 = 666.

It is not a de Polignac number, because 123320110311 - 2⁹ = 123320109799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320110301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2283705720 + ... + 2283705773.

It is an arithmetic number, because the mean of its divisors is an integer number (22837057470).

Almost surely, 2^123320110311 is an apocalyptic number.

123320110311 is a deficient number, since it is larger than the sum of its proper divisors (59376349449).

123320110311 is an equidigital number, since it uses as much as digits as its factorization.

123320110311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567411502 (or 4567411496 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123320110311 its reverse (113011023321), we get a palindrome (236331133632).

The spelling of 123320110311 in words is "one hundred twenty-three billion, three hundred twenty million, one hundred ten thousand, three hundred eleven".