210323403030149 has 2 divisors, whose sum is σ = 210323403030150. Its totient is φ = 210323403030148.

The previous prime is 210323403030109. The next prime is 210323403030157. The reversal of 210323403030149 is 941030304323012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205028548917124 + 5294854113025 = 14318818^2 + 2301055^2 .

It is a cyclic number.

It is not a de Polignac number, because 210323403030149 - 2²⁰ = 210323401981573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210323403030109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105161701515074 + 105161701515075.

It is an arithmetic number, because the mean of its divisors is an integer number (105161701515075).

Almost surely, 2^{210323403030149} is an apocalyptic number.

It is an amenable number.

210323403030149 is a deficient number, since it is larger than the sum of its proper divisors (1).

210323403030149 is an equidigital number, since it uses as much as digits as its factorization.

210323403030149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 210323403030149 in words is "two hundred ten trillion, three hundred twenty-three billion, four hundred three million, thirty thousand, one hundred forty-nine".