23201311322113 has 2 divisors, whose sum is σ = 23201311322114. Its totient is φ = 23201311322112.

The previous prime is 23201311322107. The next prime is 23201311322143. The reversal of 23201311322113 is 31122311310232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23175250708624 + 26060613489 = 4814068^2 + 161433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23201311322113 is a prime.

It is not a weakly prime, because it can be changed into another prime (23201311322143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600655661056 + 11600655661057.

It is an arithmetic number, because the mean of its divisors is an integer number (11600655661057).

Almost surely, 2^{23201311322113} is an apocalyptic number.

It is an amenable number.

23201311322113 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201311322113 is an equidigital number, since it uses as much as digits as its factorization.

23201311322113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23201311322113 its reverse (31122311310232), we get a palindrome (54323622632345).

The spelling of 23201311322113 in words is "twenty-three trillion, two hundred one billion, three hundred eleven million, three hundred twenty-two thousand, one hundred thirteen".