2013320123701 has 2 divisors, whose sum is σ = 2013320123702. Its totient is φ = 2013320123700.

The previous prime is 2013320123699. The next prime is 2013320123729. The reversal of 2013320123701 is 1073210233102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1930637996676 + 82682127025 = 1389474^2 + 287545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013320123701 - 2¹ = 2013320123699 is a prime.

Together with 2013320123699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013320124701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006660061850 + 1006660061851.

It is an arithmetic number, because the mean of its divisors is an integer number (1006660061851).

Almost surely, 2^{2013320123701} is an apocalyptic number.

It is an amenable number.

2013320123701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013320123701 is an equidigital number, since it uses as much as digits as its factorization.

2013320123701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 2013320123701 its reverse (1073210233102), we get a palindrome (3086530356803).

The spelling of 2013320123701 in words is "two trillion, thirteen billion, three hundred twenty million, one hundred twenty-three thousand, seven hundred one".