23640646600515 has 64 divisors (see below), whose sum is σ = 43945329318912. Its totient is φ = 10628038080000.

The previous prime is 23640646600513. The next prime is 23640646600517. The reversal of 23640646600515 is 51500664604632.

It is an interprime number because it is at equal distance from previous prime (23640646600513) and next prime (23640646600517).

It is not a de Polignac number, because 23640646600515 - 2¹ = 23640646600513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23640646600513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34898424 + ... + 35569386.

It is an arithmetic number, because the mean of its divisors is an integer number (686645770608).

Almost surely, 2^{23640646600515} is an apocalyptic number.

23640646600515 is a deficient number, since it is larger than the sum of its proper divisors (20304682718397).

23640646600515 is a wasteful number, since it uses less digits than its factorization.

23640646600515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676540.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 23640646600515 in words is "twenty-three trillion, six hundred forty billion, six hundred forty-six million, six hundred thousand, five hundred fifteen".