223844728608 has 90 divisors (see below), whose sum is σ = 658391977089. Its totient is φ = 74606880384.

The previous prime is 223844728577. The next prime is 223844728621. The reversal of 223844728608 is 806827448322.

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.

223844728608 is a `hidden beast` number, since 2 + 2 + 3 + 8 + 4 + 4 + 7 + 28 + 608 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 171306587664 + 52538140944 = 413892^2 + 229212^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334548.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 24082810 + ... + 24092102.

Almost surely, 2^223844728608 is an apocalyptic number.

It is an amenable number.

223844728608 is an abundant number, since it is smaller than the sum of its proper divisors (434547248481).

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

223844728608 is an frugal number, since it uses more digits than its factorization.

223844728608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18608 (or 9298 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 223844728608 in words is "two hundred twenty-three billion, eight hundred forty-four million, seven hundred twenty-eight thousand, six hundred eight".