100001323217 has 2 divisors, whose sum is σ = 100001323218. Its totient is φ = 100001323216.

The previous prime is 100001323189. The next prime is 100001323259. The reversal of 100001323217 is 712323100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53470087696 + 46531235521 = 231236^2 + 215711^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001323217 - 2⁶ = 100001323153 is a prime.

It is not a weakly prime, because it can be changed into another prime (100001323117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000661608 + 50000661609.

It is an arithmetic number, because the mean of its divisors is an integer number (50000661609).

Almost surely, 2^100001323217 is an apocalyptic number.

It is an amenable number.

100001323217 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001323217 is an equidigital number, since it uses as much as digits as its factorization.

100001323217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 100001323217 its reverse (712323100001), we get a palindrome (812324423218).

The spelling of 100001323217 in words is "one hundred billion, one million, three hundred twenty-three thousand, two hundred seventeen".