2013323123113 has 4 divisors (see below), whose sum is σ = 2013633779668. Its totient is φ = 2013012466560.

The previous prime is 2013323123083. The next prime is 2013323123137. The reversal of 2013323123113 is 3113213233102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 799641927529 + 1213681195584 = 894227^2 + 1101672^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013323123113 - 2¹⁷ = 2013322992041 is a prime.

It is a super-2 number, since 2×2013323123113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013323123153) 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, 155318556 + ... + 155331517.

It is an arithmetic number, because the mean of its divisors is an integer number (503408444917).

Almost surely, 2^{2013323123113} is an apocalyptic number.

It is an amenable number.

2013323123113 is a deficient number, since it is larger than the sum of its proper divisors (310656555).

2013323123113 is an equidigital number, since it uses as much as digits as its factorization.

2013323123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310656554.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2013323123113 its reverse (3113213233102), we get a palindrome (5126536356215).

The spelling of 2013323123113 in words is "two trillion, thirteen billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred thirteen".