20232111023321 has 2 divisors, whose sum is σ = 20232111023322. Its totient is φ = 20232111023320.

The previous prime is 20232111023309. The next prime is 20232111023323. The reversal of 20232111023321 is 12332011123202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17045668249600 + 3186442773721 = 4128640^2 + 1785061^2 .

It is a cyclic number.

It is not a de Polignac number, because 20232111023321 - 2¹⁰ = 20232111022297 is a prime.

Together with 20232111023323, 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 (20232111023323) 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, 10116055511660 + 10116055511661.

It is an arithmetic number, because the mean of its divisors is an integer number (10116055511661).

Almost surely, 2^{20232111023321} is an apocalyptic number.

It is an amenable number.

20232111023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232111023321 is an equidigital number, since it uses as much as digits as its factorization.

20232111023321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20232111023321 its reverse (12332011123202), we get a palindrome (32564122146523).

The spelling of 20232111023321 in words is "twenty trillion, two hundred thirty-two billion, one hundred eleven million, twenty-three thousand, three hundred twenty-one".