23009939968 has 160 divisors (see below), whose sum is σ = 51201722880. Its totient is φ = 10285056000.

The previous prime is 23009939951. The next prime is 23009940001. The reversal of 23009939968 is 86993990032.

It is a happy number.

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, 12363358 + ... + 12365218.

It is an arithmetic number, because the mean of its divisors is an integer number (320010768).

Almost surely, 2^23009939968 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 23009939968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25600861440).

23009939968 is an abundant number, since it is smaller than the sum of its proper divisors (28191782912).

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

23009939968 is a wasteful number, since it uses less digits than its factorization.

23009939968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 58.

The spelling of 23009939968 in words is "twenty-three billion, nine million, nine hundred thirty-nine thousand, nine hundred sixty-eight".