12023123320321 has 2 divisors, whose sum is σ = 12023123320322. Its totient is φ = 12023123320320.

The previous prime is 12023123320319. The next prime is 12023123320333. The reversal of 12023123320321 is 12302332132021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11875639671025 + 147483649296 = 3446105^2 + 384036^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023123320321 - 2¹ = 12023123320319 is a prime.

Together with 12023123320319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12023123320721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011561660160 + 6011561660161.

It is an arithmetic number, because the mean of its divisors is an integer number (6011561660161).

Almost surely, 2^{12023123320321} is an apocalyptic number.

It is an amenable number.

12023123320321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023123320321 is an equidigital number, since it uses as much as digits as its factorization.

12023123320321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12023123320321 its reverse (12302332132021), we get a palindrome (24325455452342).

The spelling of 12023123320321 in words is "twelve trillion, twenty-three billion, one hundred twenty-three million, three hundred twenty thousand, three hundred twenty-one".