2123003002013 has 4 divisors (see below), whose sum is σ = 2123030851548. Its totient is φ = 2122975152480.

The previous prime is 2123003002009. The next prime is 2123003002063. The reversal of 2123003002013 is 3102003003212.

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 209835454084 + 1913167547929 = 458078^2 + 1383173^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123003002013 - 2² = 2123003002009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123003001982 and 2123003002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123003002063) 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, 13810106 + ... + 13962987.

It is an arithmetic number, because the mean of its divisors is an integer number (530757712887).

Almost surely, 2^{2123003002013} is an apocalyptic number.

It is an amenable number.

2123003002013 is a deficient number, since it is larger than the sum of its proper divisors (27849535).

2123003002013 is an equidigital number, since it uses as much as digits as its factorization.

2123003002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27849534.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2123003002013 its reverse (3102003003212), we get a palindrome (5225006005225).

The spelling of 2123003002013 in words is "two trillion, one hundred twenty-three billion, three million, two thousand, thirteen".