20112013311323 has 4 divisors (see below), whose sum is σ = 20192140854648. Its totient is φ = 20031885768000.

The previous prime is 20112013311317. The next prime is 20112013311361. The reversal of 20112013311323 is 32311331021102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20112013311323 - 2⁶ = 20112013311259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112013311823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40063771286 + ... + 40063771787.

It is an arithmetic number, because the mean of its divisors is an integer number (5048035213662).

Almost surely, 2^{20112013311323} is an apocalyptic number.

20112013311323 is a deficient number, since it is larger than the sum of its proper divisors (80127543325).

20112013311323 is an equidigital number, since it uses as much as digits as its factorization.

20112013311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80127543324.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20112013311323 its reverse (32311331021102), we get a palindrome (52423344332425).

The spelling of 20112013311323 in words is "twenty trillion, one hundred twelve billion, thirteen million, three hundred eleven thousand, three hundred twenty-three".