20232231221243 has 2 divisors, whose sum is σ = 20232231221244. Its totient is φ = 20232231221242.

The previous prime is 20232231221197. The next prime is 20232231221273. The reversal of 20232231221243 is 34212213223202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20232231221243 - 2⁶ = 20232231221179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20232231221273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116115610621 + 10116115610622.

It is an arithmetic number, because the mean of its divisors is an integer number (10116115610622).

Almost surely, 2^{20232231221243} is an apocalyptic number.

20232231221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232231221243 is an equidigital number, since it uses as much as digits as its factorization.

20232231221243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20232231221243 its reverse (34212213223202), we get a palindrome (54444444444445).

The spelling of 20232231221243 in words is "twenty trillion, two hundred thirty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred forty-three".