223231131220320 has 576 divisors, whose sum is σ = 808339940868096. Its totient is φ = 55904979271680.

The previous prime is 223231131220309. The next prime is 223231131220343. The reversal of 223231131220320 is 23022131132322.

223231131220320 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 3 + 1 + 1 + 312 + 20 + 320 = 666.

It is a super-3 number, since 3×223231131220320³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26179323897 + ... + 26179332423.

It is an arithmetic number, because the mean of its divisors is an integer number (1403367952896).

Almost surely, 2^{223231131220320} is an apocalyptic number.

223231131220320 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 223231131220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404169970434048).

223231131220320 is an abundant number, since it is smaller than the sum of its proper divisors (585108809647776).

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

223231131220320 is a wasteful number, since it uses less digits than its factorization.

223231131220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763 (or 10752 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 223231131220320 its reverse (23022131132322), we get a palindrome (246253262352642).

The spelling of 223231131220320 in words is "two hundred twenty-three trillion, two hundred thirty-one billion, one hundred thirty-one million, two hundred twenty thousand, three hundred twenty".