100001323189 has 2 divisors, whose sum is σ = 100001323190. Its totient is φ = 100001323188.

The previous prime is 100001323157. The next prime is 100001323217. The reversal of 100001323189 is 981323100001.

It is an a-pointer prime, because the next prime (100001323217) can be obtained adding 100001323189 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97437622500 + 2563700689 = 312150^2 + 50633^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001323189 - 2⁵ = 100001323157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001323109) 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, 50000661594 + 50000661595.

It is an arithmetic number, because the mean of its divisors is an integer number (50000661595).

Almost surely, 2^100001323189 is an apocalyptic number.

It is an amenable number.

100001323189 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001323189 is an equidigital number, since it uses as much as digits as its factorization.

100001323189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 100001323189 in words is "one hundred billion, one million, three hundred twenty-three thousand, one hundred eighty-nine".