23686735304385 has 32 divisors (see below), whose sum is σ = 42904275281280. Its totient is φ = 12394568407104.

The previous prime is 23686735304339. The next prime is 23686735304389. The reversal of 23686735304385 is 58340353768632.

23686735304385 is a `hidden beast` number, since 2 + 3 + 6 + 8 + 67 + 3 + 530 + 4 + 38 + 5 = 666.

It is not a de Polignac number, because 23686735304385 - 2⁹ = 23686735303873 is a prime.

It is a super-2 number, since 2×23686735304385² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23686735304389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1655250379 + ... + 1655264688.

It is an arithmetic number, because the mean of its divisors is an integer number (1340758602540).

Almost surely, 2^{23686735304385} is an apocalyptic number.

It is an amenable number.

23686735304385 is a deficient number, since it is larger than the sum of its proper divisors (19217539976895).

23686735304385 is a wasteful number, since it uses less digits than its factorization.

23686735304385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310515134 (or 3310515128 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 63.

The spelling of 23686735304385 in words is "twenty-three trillion, six hundred eighty-six billion, seven hundred thirty-five million, three hundred four thousand, three hundred eighty-five".