23221103232 has 256 divisors, whose sum is σ = 68739840000. Its totient is φ = 6911815680.

The previous prime is 23221103231. The next prime is 23221103237. The reversal of 23221103232 is 23230112232.

It is a happy number.

It is a super-2 number, since 2×23221103232² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23221103199 and 23221103208.

It is not an unprimeable number, because it can be changed into a prime (23221103231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11913394 + ... + 11915342.

It is an arithmetic number, because the mean of its divisors is an integer number (268515000).

Almost surely, 2^23221103232 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 23221103232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34369920000).

23221103232 is an abundant number, since it is smaller than the sum of its proper divisors (45518736768).

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

23221103232 is a wasteful number, since it uses less digits than its factorization.

23221103232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23221103232 its reverse (23230112232), we get a palindrome (46451215464).

The spelling of 23221103232 in words is "twenty-three billion, two hundred twenty-one million, one hundred three thousand, two hundred thirty-two".