2013320202123 has 16 divisors (see below), whose sum is σ = 2688999344640. Its totient is φ = 1339927581024.

The previous prime is 2013320202119. The next prime is 2013320202161. The reversal of 2013320202123 is 3212020233102.

It is a happy number.

It is not a de Polignac number, because 2013320202123 - 2² = 2013320202119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2013320202123.

It is not an unprimeable number, because it can be changed into a prime (2013320209123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33180190 + ... + 33240812.

It is an arithmetic number, because the mean of its divisors is an integer number (168062459040).

Almost surely, 2^{2013320202123} is an apocalyptic number.

2013320202123 is a deficient number, since it is larger than the sum of its proper divisors (675679142517).

2013320202123 is a wasteful number, since it uses less digits than its factorization.

2013320202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79298.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2013320202123 its reverse (3212020233102), we get a palindrome (5225340435225).

The spelling of 2013320202123 in words is "two trillion, thirteen billion, three hundred twenty million, two hundred two thousand, one hundred twenty-three".