23111968 has 72 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 10200960.

The previous prime is 23111953. The next prime is 23111981. The reversal of 23111968 is 86911132.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181921 + ... + 182047.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

Almost surely, 2^23111968 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 23111968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25740288).

23111968 is an abundant number, since it is smaller than the sum of its proper divisors (28368608).

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

23111968 is a wasteful number, since it uses less digits than its factorization.

23111968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 187 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 23111968 is about 4807.4908216241. The cubic root of 23111968 is about 284.8474324483.

The spelling of 23111968 in words is "twenty-three million, one hundred eleven thousand, nine hundred sixty-eight".