20321333323 has 2 divisors, whose sum is σ = 20321333324. Its totient is φ = 20321333322.

The previous prime is 20321333297. The next prime is 20321333339. The reversal of 20321333323 is 32333312302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20321333323 - 2²⁵ = 20287778891 is a prime.

It is not a weakly prime, because it can be changed into another prime (20321333023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160666661 + 10160666662.

It is an arithmetic number, because the mean of its divisors is an integer number (10160666662).

Almost surely, 2^20321333323 is an apocalyptic number.

20321333323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20321333323 is an equidigital number, since it uses as much as digits as its factorization.

20321333323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 20321333323 its reverse (32333312302), we get a palindrome (52654645625).

The spelling of 20321333323 in words is "twenty billion, three hundred twenty-one million, three hundred thirty-three thousand, three hundred twenty-three".