20323216213303 has 2 divisors, whose sum is σ = 20323216213304. Its totient is φ = 20323216213302.

The previous prime is 20323216213277. The next prime is 20323216213453. The reversal of 20323216213303 is 30331261232302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20323216213303 - 2²⁵ = 20323182658871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323216213103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161608106651 + 10161608106652.

It is an arithmetic number, because the mean of its divisors is an integer number (10161608106652).

Almost surely, 2^{20323216213303} is an apocalyptic number.

20323216213303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323216213303 is an equidigital number, since it uses as much as digits as its factorization.

20323216213303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 20323216213303 its reverse (30331261232302), we get a palindrome (50654477445605).

The spelling of 20323216213303 in words is "twenty trillion, three hundred twenty-three billion, two hundred sixteen million, two hundred thirteen thousand, three hundred three".