200123233210321 has 2 divisors, whose sum is σ = 200123233210322. Its totient is φ = 200123233210320.

The previous prime is 200123233210289. The next prime is 200123233210343. The reversal of 200123233210321 is 123012332321002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118582604110096 + 81540629100225 = 10889564^2 + 9029985^2 .

It is a cyclic number.

It is not a de Polignac number, because 200123233210321 - 2⁵ = 200123233210289 is a prime.

It is not a weakly prime, because it can be changed into another prime (200123236210321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061616605160 + 100061616605161.

It is an arithmetic number, because the mean of its divisors is an integer number (100061616605161).

Almost surely, 2^{200123233210321} is an apocalyptic number.

It is an amenable number.

200123233210321 is a deficient number, since it is larger than the sum of its proper divisors (1).

200123233210321 is an equidigital number, since it uses as much as digits as its factorization.

200123233210321 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 200123233210321 its reverse (123012332321002), we get a palindrome (323135565531323).

The spelling of 200123233210321 in words is "two hundred trillion, one hundred twenty-three billion, two hundred thirty-three million, two hundred ten thousand, three hundred twenty-one".