20323112113 has 2 divisors, whose sum is σ = 20323112114. Its totient is φ = 20323112112.

The previous prime is 20323112099. The next prime is 20323112119. The reversal of 20323112113 is 31121132302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11238544144 + 9084567969 = 106012^2 + 95313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323112113 is a prime.

It is not a weakly prime, because it can be changed into another prime (20323112119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161556056 + 10161556057.

It is an arithmetic number, because the mean of its divisors is an integer number (10161556057).

Almost surely, 2^20323112113 is an apocalyptic number.

It is an amenable number.

20323112113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323112113 is an equidigital number, since it uses as much as digits as its factorization.

20323112113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20323112113 its reverse (31121132302), we get a palindrome (51444244415).

The spelling of 20323112113 in words is "twenty billion, three hundred twenty-three million, one hundred twelve thousand, one hundred thirteen".