210323403030109 has 2 divisors, whose sum is σ = 210323403030110. Its totient is φ = 210323403030108.

The previous prime is 210323403030011. The next prime is 210323403030149. The reversal of 210323403030109 is 901030304323012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149920507105209 + 60402895924900 = 12244203^2 + 7771930^2 .

It is a cyclic number.

It is not a de Polignac number, because 210323403030109 - 2⁷ = 210323403029981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210323403030149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105161701515054 + 105161701515055.

It is an arithmetic number, because the mean of its divisors is an integer number (105161701515055).

Almost surely, 2^{210323403030109} is an apocalyptic number.

It is an amenable number.

210323403030109 is a deficient number, since it is larger than the sum of its proper divisors (1).

210323403030109 is an equidigital number, since it uses as much as digits as its factorization.

210323403030109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 210323403030109 in words is "two hundred ten trillion, three hundred twenty-three billion, four hundred three million, thirty thousand, one hundred nine".