100323392209 has 2 divisors, whose sum is σ = 100323392210. Its totient is φ = 100323392208.

The previous prime is 100323392207. The next prime is 100323392219. The reversal of 100323392209 is 902293323001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54862755984 + 45460636225 = 234228^2 + 213215^2 .

It is a cyclic number.

It is not a de Polignac number, because 100323392209 - 2¹ = 100323392207 is a prime.

Together with 100323392207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100323392201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50161696104 + 50161696105.

It is an arithmetic number, because the mean of its divisors is an integer number (50161696105).

Almost surely, 2^100323392209 is an apocalyptic number.

It is an amenable number.

100323392209 is a deficient number, since it is larger than the sum of its proper divisors (1).

100323392209 is an equidigital number, since it uses as much as digits as its factorization.

100323392209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 100323392209 in words is "one hundred billion, three hundred twenty-three million, three hundred ninety-two thousand, two hundred nine".