321330121020023 has 2 divisors, whose sum is σ = 321330121020024. Its totient is φ = 321330121020022.

The previous prime is 321330121019933. The next prime is 321330121020037. The reversal of 321330121020023 is 320020121033123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321330121020023 - 2³⁰ = 321329047278199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321330121020043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160665060510011 + 160665060510012.

It is an arithmetic number, because the mean of its divisors is an integer number (160665060510012).

Almost surely, 2^{321330121020023} is an apocalyptic number.

321330121020023 is a deficient number, since it is larger than the sum of its proper divisors (1).

321330121020023 is an equidigital number, since it uses as much as digits as its factorization.

321330121020023 is an evil number, because the sum of its binary digits is even.

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

Adding to 321330121020023 its reverse (320020121033123), we get a palindrome (641350242053146).

The spelling of 321330121020023 in words is "three hundred twenty-one trillion, three hundred thirty billion, one hundred twenty-one million, twenty thousand, twenty-three".