20312301323 has 2 divisors, whose sum is σ = 20312301324. Its totient is φ = 20312301322.

The previous prime is 20312301293. The next prime is 20312301379. The reversal of 20312301323 is 32310321302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20312301323 - 2¹² = 20312297227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20312301295 and 20312301304.

It is not a weakly prime, because it can be changed into another prime (20312306323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156150661 + 10156150662.

It is an arithmetic number, because the mean of its divisors is an integer number (10156150662).

Almost surely, 2^20312301323 is an apocalyptic number.

20312301323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312301323 is an equidigital number, since it uses as much as digits as its factorization.

20312301323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20312301323 its reverse (32310321302), we get a palindrome (52622622625).

The spelling of 20312301323 in words is "twenty billion, three hundred twelve million, three hundred one thousand, three hundred twenty-three".