20330111323 has 2 divisors, whose sum is σ = 20330111324. Its totient is φ = 20330111322.

The previous prime is 20330111311. The next prime is 20330111357. The reversal of 20330111323 is 32311103302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20330111323 - 2³³ = 11740176731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20330111323.

It is not a weakly prime, because it can be changed into another prime (20330111303) 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, 10165055661 + 10165055662.

It is an arithmetic number, because the mean of its divisors is an integer number (10165055662).

Almost surely, 2^20330111323 is an apocalyptic number.

20330111323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330111323 is an equidigital number, since it uses as much as digits as its factorization.

20330111323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20330111323 its reverse (32311103302), we get a palindrome (52641214625).

The spelling of 20330111323 in words is "twenty billion, three hundred thirty million, one hundred eleven thousand, three hundred twenty-three".