23689504896 has 128 divisors (see below), whose sum is σ = 66716861760. Its totient is φ = 7421952000.

The previous prime is 23689504823. The next prime is 23689504921. The reversal of 23689504896 is 69840598632.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×23689504896² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5918896 + ... + 5922896.

Almost surely, 2^23689504896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23689504896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33358430880).

23689504896 is an abundant number, since it is smaller than the sum of its proper divisors (43027356864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23689504896 is a wasteful number, since it uses less digits than its factorization.

23689504896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942 (or 4930 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 23689504896 in words is "twenty-three billion, six hundred eighty-nine million, five hundred four thousand, eight hundred ninety-six".