1322323000021 has 2 divisors, whose sum is σ = 1322323000022. Its totient is φ = 1322323000020.

The previous prime is 1322323000007. The next prime is 1322323000039. The reversal of 1322323000021 is 1200003232231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 977942988100 + 344380011921 = 988910^2 + 586839^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322323000021 - 2⁵ = 1322322999989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322323000721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661161500010 + 661161500011.

It is an arithmetic number, because the mean of its divisors is an integer number (661161500011).

Almost surely, 2^{1322323000021} is an apocalyptic number.

It is an amenable number.

1322323000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322323000021 is an equidigital number, since it uses as much as digits as its factorization.

1322323000021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1322323000021 its reverse (1200003232231), we get a palindrome (2522326232252).

The spelling of 1322323000021 in words is "one trillion, three hundred twenty-two billion, three hundred twenty-three million, twenty-one", and thus it is an aban number.