23666056653 has 16 divisors (see below), whose sum is σ = 31792305600. Its totient is φ = 15658930560.

The previous prime is 23666056649. The next prime is 23666056657. The reversal of 23666056653 is 35665066632.

It is an interprime number because it is at equal distance from previous prime (23666056649) and next prime (23666056657).

It is not a de Polignac number, because 23666056653 - 2² = 23666056649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23666056657) 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 15 ways as a sum of consecutive naturals, for example, 237483 + ... + 322071.

It is an arithmetic number, because the mean of its divisors is an integer number (1987019100).

Almost surely, 2^23666056653 is an apocalyptic number.

It is an amenable number.

23666056653 is a deficient number, since it is larger than the sum of its proper divisors (8126248947).

23666056653 is a wasteful number, since it uses less digits than its factorization.

23666056653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85292.

The product of its (nonzero) digits is 3499200, while the sum is 48.

The spelling of 23666056653 in words is "twenty-three billion, six hundred sixty-six million, fifty-six thousand, six hundred fifty-three".