223303344400 has 120 divisors (see below), whose sum is σ = 566404635680. Its totient is φ = 84368148480.

The previous prime is 223303344377. The next prime is 223303344401. The reversal of 223303344400 is 4443303322.

It is a super-2 number, since 2×223303344400² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223303344401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2517607 + ... + 2604793.

Almost surely, 2^223303344400 is an apocalyptic number.

223303344400 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 223303344400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283202317840).

223303344400 is an abundant number, since it is smaller than the sum of its proper divisors (343101291280).

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

223303344400 is a wasteful number, since it uses less digits than its factorization.

223303344400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87561 (or 87550 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 223303344400 its reverse (4443303322), we get a palindrome (227746647722).

The spelling of 223303344400 in words is "two hundred twenty-three billion, three hundred three million, three hundred forty-four thousand, four hundred".