123320343023321 has 2 divisors, whose sum is σ = 123320343023322. Its totient is φ = 123320343023320.

The previous prime is 123320343023299. The next prime is 123320343023323.

123320343023321 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66797929000000 + 56522414023321 = 8173000^2 + 7518139^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 123320343023321 - 2³⁰ = 123319269281497 is a prime.

Together with 123320343023323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123320343023323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660171511660 + 61660171511661.

It is an arithmetic number, because the mean of its divisors is an integer number (61660171511661).

Almost surely, 2^{123320343023321} is an apocalyptic number.

It is an amenable number.

123320343023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

123320343023321 is an equidigital number, since it uses as much as digits as its factorization.

123320343023321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 32.

The spelling of 123320343023321 in words is "one hundred twenty-three trillion, three hundred twenty billion, three hundred forty-three million, twenty-three thousand, three hundred twenty-one".