20123332100317 has 2 divisors, whose sum is σ = 20123332100318. Its totient is φ = 20123332100316.

The previous prime is 20123332100297. The next prime is 20123332100357. The reversal of 20123332100317 is 71300123332102.

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., 18369015956281 + 1754316144036 = 4285909^2 + 1324506^2 .

It is a cyclic number.

It is not a de Polignac number, because 20123332100317 - 2⁴³ = 11327239078109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20123332100357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061666050158 + 10061666050159.

It is an arithmetic number, because the mean of its divisors is an integer number (10061666050159).

Almost surely, 2^{20123332100317} is an apocalyptic number.

It is an amenable number.

20123332100317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123332100317 is an equidigital number, since it uses as much as digits as its factorization.

20123332100317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 20123332100317 its reverse (71300123332102), we get a palindrome (91423455432419).

The spelling of 20123332100317 in words is "twenty trillion, one hundred twenty-three billion, three hundred thirty-two million, one hundred thousand, three hundred seventeen".