20323313210329 has 2 divisors, whose sum is σ = 20323313210330. Its totient is φ = 20323313210328.

The previous prime is 20323313210309. The next prime is 20323313210381. The reversal of 20323313210329 is 92301231332302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12945978194704 + 7377335015625 = 3598052^2 + 2716125^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323313210329 - 2⁵ = 20323313210297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20323313210294 and 20323313210303.

It is not a weakly prime, because it can be changed into another prime (20323313210309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161656605164 + 10161656605165.

It is an arithmetic number, because the mean of its divisors is an integer number (10161656605165).

Almost surely, 2^{20323313210329} is an apocalyptic number.

It is an amenable number.

20323313210329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323313210329 is an equidigital number, since it uses as much as digits as its factorization.

20323313210329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 20323313210329 in words is "twenty trillion, three hundred twenty-three billion, three hundred thirteen million, two hundred ten thousand, three hundred twenty-nine".