2013123213113 has 4 divisors (see below), whose sum is σ = 2018434884240. Its totient is φ = 2007811541988.

The previous prime is 2013123213109. The next prime is 2013123213119. The reversal of 2013123213113 is 3113123213102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2013123213113 - 2² = 2013123213109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013123213119) 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, 2655834995 + ... + 2655835752.

It is an arithmetic number, because the mean of its divisors is an integer number (504608721060).

Almost surely, 2^{2013123213113} is an apocalyptic number.

It is an amenable number.

2013123213113 is a deficient number, since it is larger than the sum of its proper divisors (5311671127).

2013123213113 is an equidigital number, since it uses as much as digits as its factorization.

2013123213113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311671126.

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

Adding to 2013123213113 its reverse (3113123213102), we get a palindrome (5126246426215).

The spelling of 2013123213113 in words is "two trillion, thirteen billion, one hundred twenty-three million, two hundred thirteen thousand, one hundred thirteen".