23321312168 has 64 divisors (see below), whose sum is σ = 54745804800. Its totient is φ = 9048150720.

The previous prime is 23321312167. The next prime is 23321312207. The reversal of 23321312168 is 86121312332.

It is not an unprimeable number, because it can be changed into a prime (23321312167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68021 + ... + 226427.

It is an arithmetic number, because the mean of its divisors is an integer number (855403200).

Almost surely, 2^23321312168 is an apocalyptic number.

23321312168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23321312168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27372902400).

23321312168 is an abundant number, since it is smaller than the sum of its proper divisors (31424492632).

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

23321312168 is a wasteful number, since it uses less digits than its factorization.

23321312168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158670 (or 158666 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The spelling of 23321312168 in words is "twenty-three billion, three hundred twenty-one million, three hundred twelve thousand, one hundred sixty-eight".