23303221120 has 64 divisors (see below), whose sum is σ = 56064340800. Its totient is φ = 9261877248.

The previous prime is 23303221103. The next prime is 23303221129. The reversal of 23303221120 is 2112230332.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×23303221120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303221129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15480 + ... + 216439.

It is an arithmetic number, because the mean of its divisors is an integer number (876005325).

Almost surely, 2^23303221120 is an apocalyptic number.

23303221120 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 23303221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28032170400).

23303221120 is an abundant number, since it is smaller than the sum of its proper divisors (32761119680).

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

23303221120 is a wasteful number, since it uses less digits than its factorization.

23303221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232095 (or 232083 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23303221120 its reverse (2112230332), we get a palindrome (25415451452).

The spelling of 23303221120 in words is "twenty-three billion, three hundred three million, two hundred twenty-one thousand, one hundred twenty".