23681065 has 8 divisors (see below), whose sum is σ = 28445760. Its totient is φ = 18925872.

The previous prime is 23681041. The next prime is 23681069. The reversal of 23681065 is 56018632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23681065 - 2⁵ = 23681033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23681069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5476 + ... + 8794.

It is an arithmetic number, because the mean of its divisors is an integer number (3555720).

Almost surely, 2^23681065 is an apocalyptic number.

It is an amenable number.

23681065 is a deficient number, since it is larger than the sum of its proper divisors (4764695).

23681065 is a wasteful number, since it uses less digits than its factorization.

23681065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 23681065 is about 4866.3194510842. The cubic root of 23681065 is about 287.1664790255.

Adding to 23681065 its reverse (56018632), we get a palindrome (79699697).

The spelling of 23681065 in words is "twenty-three million, six hundred eighty-one thousand, sixty-five".