23533765651 has 12 divisors (see below), whose sum is σ = 25879676256. Its totient is φ = 21384421520.

The previous prime is 23533765639. The next prime is 23533765667. The reversal of 23533765651 is 15656733532.

It is not a de Polignac number, because 23533765651 - 2⁹ = 23533765139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23533765621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223830 + ... + 311716.

It is an arithmetic number, because the mean of its divisors is an integer number (2156639688).

Almost surely, 2^23533765651 is an apocalyptic number.

23533765651 is a deficient number, since it is larger than the sum of its proper divisors (2345910605).

23533765651 is a wasteful number, since it uses less digits than its factorization.

23533765651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90122 (or 90111 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 46.

The spelling of 23533765651 in words is "twenty-three billion, five hundred thirty-three million, seven hundred sixty-five thousand, six hundred fifty-one".