23305638066719 has 2 divisors, whose sum is σ = 23305638066720. Its totient is φ = 23305638066718.

The previous prime is 23305638066701. The next prime is 23305638066847. The reversal of 23305638066719 is 91766083650332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23305638066719 - 2⁴⁴ = 5713452022303 is a prime.

It is a super-5 number, since 5×23305638066719⁵ (a number of 68 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23305638066019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11652819033359 + 11652819033360.

It is an arithmetic number, because the mean of its divisors is an integer number (11652819033360).

Almost surely, 2^{23305638066719} is an apocalyptic number.

23305638066719 is a deficient number, since it is larger than the sum of its proper divisors (1).

23305638066719 is an equidigital number, since it uses as much as digits as its factorization.

23305638066719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 59.

The spelling of 23305638066719 in words is "twenty-three trillion, three hundred five billion, six hundred thirty-eight million, sixty-six thousand, seven hundred nineteen".