223440243200 has 120 divisors (see below), whose sum is σ = 582727643520. Its totient is φ = 84672000000.

The previous prime is 223440243179. The next prime is 223440243239. The reversal of 223440243200 is 2342044322.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 223440243200.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 216176 + ... + 702575.

It is an arithmetic number, because the mean of its divisors is an integer number (4856063696).

Almost surely, 2^223440243200 is an apocalyptic number.

223440243200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223440243200 is an abundant number, since it is smaller than the sum of its proper divisors (359287400320).

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

223440243200 is an equidigital number, since it uses as much as digits as its factorization.

223440243200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918798 (or 918777 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 223440243200 its reverse (2342044322), we get a palindrome (225782287522).

The spelling of 223440243200 in words is "two hundred twenty-three billion, four hundred forty million, two hundred forty-three thousand, two hundred".