23921068608361 has 2 divisors, whose sum is σ = 23921068608362. Its totient is φ = 23921068608360.

The previous prime is 23921068608337. The next prime is 23921068608389. The reversal of 23921068608361 is 16380686012932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18112216664025 + 5808851944336 = 4255845^2 + 2410156^2 .

It is a cyclic number.

It is not a de Polignac number, because 23921068608361 - 2¹⁹ = 23921068084073 is a prime.

It is not a weakly prime, because it can be changed into another prime (23921068608391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11960534304180 + 11960534304181.

It is an arithmetic number, because the mean of its divisors is an integer number (11960534304181).

Almost surely, 2^{23921068608361} is an apocalyptic number.

It is an amenable number.

23921068608361 is a deficient number, since it is larger than the sum of its proper divisors (1).

23921068608361 is an equidigital number, since it uses as much as digits as its factorization.

23921068608361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 23921068608361 in words is "twenty-three trillion, nine hundred twenty-one billion, sixty-eight million, six hundred eight thousand, three hundred sixty-one".