223552434544 has 20 divisors (see below), whose sum is σ = 436248909880. Its totient is φ = 110972070720.

The previous prime is 223552434529. The next prime is 223552434551. The reversal of 223552434544 is 445434255322.

It is a self number, because there is not a number n which added to its sum of digits gives 223552434544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50256867 + ... + 50261314.

It is an arithmetic number, because the mean of its divisors is an integer number (21812445494).

Almost surely, 2^223552434544 is an apocalyptic number.

It is an amenable number.

223552434544 is a deficient number, since it is larger than the sum of its proper divisors (212696475336).

223552434544 is a wasteful number, since it uses less digits than its factorization.

223552434544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100518328 (or 100518322 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 43.

Adding to 223552434544 its reverse (445434255322), we get a palindrome (668986689866).

The spelling of 223552434544 in words is "two hundred twenty-three billion, five hundred fifty-two million, four hundred thirty-four thousand, five hundred forty-four".