23221353200 has 60 divisors (see below), whose sum is σ = 55990973640. Its totient is φ = 9254964480.

The previous prime is 23221353191. The next prime is 23221353247. The reversal of 23221353200 is 235312232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6011 + ... + 215589.

It is an arithmetic number, because the mean of its divisors is an integer number (933182894).

Almost surely, 2^23221353200 is an apocalyptic number.

23221353200 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 23221353200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27995486820).

23221353200 is an abundant number, since it is smaller than the sum of its proper divisors (32769620440).

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

23221353200 is a wasteful number, since it uses less digits than its factorization.

23221353200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209874 (or 209863 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 23221353200 its reverse (235312232), we get a palindrome (23456665432).

The spelling of 23221353200 in words is "twenty-three billion, two hundred twenty-one million, three hundred fifty-three thousand, two hundred".