23680687 has 2 divisors, whose sum is σ = 23680688. Its totient is φ = 23680686.

The previous prime is 23680673. The next prime is 23680693. The reversal of 23680687 is 78608632.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23680687 - 2¹¹ = 23678639 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23680607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11840343 + 11840344.

It is an arithmetic number, because the mean of its divisors is an integer number (11840344).

Almost surely, 2^23680687 is an apocalyptic number.

23680687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23680687 is an equidigital number, since it uses as much as digits as its factorization.

23680687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 23680687 is about 4866.2806125418. The cubic root of 23680687 is about 287.1649510887.

The spelling of 23680687 in words is "twenty-three million, six hundred eighty thousand, six hundred eighty-seven".