223542399368 has 36 divisors (see below), whose sum is σ = 445293014415. Its totient is φ = 105185724928.

The previous prime is 223542399337. The next prime is 223542399389. The reversal of 223542399368 is 863993245322.

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 5 ways, for example, as 177815709124 + 45726690244 = 421682^2 + 213838^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334322.

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, 22728980 + ... + 22738812.

Almost surely, 2^223542399368 is an apocalyptic number.

It is an amenable number.

223542399368 is a deficient number, since it is larger than the sum of its proper divisors (221750615047).

223542399368 is an frugal number, since it uses more digits than its factorization.

223542399368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19706 (or 9852 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 56.

The spelling of 223542399368 in words is "two hundred twenty-three billion, five hundred forty-two million, three hundred ninety-nine thousand, three hundred sixty-eight".