20313210210323 has 2 divisors, whose sum is σ = 20313210210324. Its totient is φ = 20313210210322.

The previous prime is 20313210210269. The next prime is 20313210210341. The reversal of 20313210210323 is 32301201231302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313210210323 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313210210343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156605105161 + 10156605105162.

It is an arithmetic number, because the mean of its divisors is an integer number (10156605105162).

Almost surely, 2^{20313210210323} is an apocalyptic number.

20313210210323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313210210323 is an equidigital number, since it uses as much as digits as its factorization.

20313210210323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20313210210323 its reverse (32301201231302), we get a palindrome (52614411441625).

The spelling of 20313210210323 in words is "twenty trillion, three hundred thirteen billion, two hundred ten million, two hundred ten thousand, three hundred twenty-three".