23121442221359 has 2 divisors, whose sum is σ = 23121442221360. Its totient is φ = 23121442221358.

The previous prime is 23121442221347. The next prime is 23121442221403. The reversal of 23121442221359 is 95312224412132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23121442221359 - 2²⁸ = 23121173785903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23121442221659) 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, 11560721110679 + 11560721110680.

It is an arithmetic number, because the mean of its divisors is an integer number (11560721110680).

Almost surely, 2^{23121442221359} is an apocalyptic number.

23121442221359 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121442221359 is an equidigital number, since it uses as much as digits as its factorization.

23121442221359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The spelling of 23121442221359 in words is "twenty-three trillion, one hundred twenty-one billion, four hundred forty-two million, two hundred twenty-one thousand, three hundred fifty-nine".