23216991120 has 400 divisors, whose sum is σ = 85753261440. Its totient is φ = 5801545728.

The previous prime is 23216991113. The next prime is 23216991151. The reversal of 23216991120 is 2119961232.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 46156789 + ... + 46157291.

Almost surely, 2^23216991120 is an apocalyptic number.

23216991120 is a gapful number since it is divisible by the number (20) 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 23216991120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42876630720).

23216991120 is an abundant number, since it is smaller than the sum of its proper divisors (62536270320).

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

23216991120 is a wasteful number, since it uses less digits than its factorization.

23216991120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 23216991120 in words is "twenty-three billion, two hundred sixteen million, nine hundred ninety-one thousand, one hundred twenty".