223999985792 has 72 divisors (see below), whose sum is σ = 490635179895. Its totient is φ = 101791402240.

The previous prime is 223999985773. The next prime is 223999985813. The reversal of 223999985792 is 297589999322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 111999992896 + 111999992896 = 334664^2 + 334664^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334664.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 58898963 + ... + 58902765.

Almost surely, 2^223999985792 is an apocalyptic number.

223999985792 is a gapful number since it is divisible by the number (22) 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 223999985792

223999985792 is an abundant number, since it is smaller than the sum of its proper divisors (266635194103).

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

223999985792 is an frugal number, since it uses more digits than its factorization.

223999985792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642 (or 3816 counting only the distinct ones).

The product of its digits is 396809280, while the sum is 74.

The spelling of 223999985792 in words is "two hundred twenty-three billion, nine hundred ninety-nine million, nine hundred eighty-five thousand, seven hundred ninety-two".