223340344320 has 352 divisors, whose sum is σ = 729197078400. Its totient is φ = 58327695360.

The previous prime is 223340344291. The next prime is 223340344327. The reversal of 223340344320 is 23443043322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223340344327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326998699 + ... + 326999381.

Almost surely, 2^223340344320 is an apocalyptic number.

223340344320 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 223340344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364598539200).

223340344320 is an abundant number, since it is smaller than the sum of its proper divisors (505856734080).

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

223340344320 is a wasteful number, since it uses less digits than its factorization.

223340344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 223340344320 its reverse (23443043322), we get a palindrome (246783387642).

The spelling of 223340344320 in words is "two hundred twenty-three billion, three hundred forty million, three hundred forty-four thousand, three hundred twenty".