23659899968 has 14 divisors (see below), whose sum is σ = 46950114126. Its totient is φ = 11829949952.

The previous prime is 23659899961. The next prime is 23659899973. The reversal of 23659899968 is 86999895632.

It can be written as a sum of positive squares in only one way, i.e., 20807485504 + 2852414464 = 144248^2 + 53408^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23659899895 and 23659899904.

It is not an unprimeable number, because it can be changed into a prime (23659899961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184842905 + ... + 184843032.

Almost surely, 2^23659899968 is an apocalyptic number.

It is an amenable number.

23659899968 is a deficient number, since it is larger than the sum of its proper divisors (23290214158).

23659899968 is an equidigital number, since it uses as much as digits as its factorization.

23659899968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369685949 (or 369685939 counting only the distinct ones).

The product of its digits is 453496320, while the sum is 74.

The spelling of 23659899968 in words is "twenty-three billion, six hundred fifty-nine million, eight hundred ninety-nine thousand, nine hundred sixty-eight".