223355924568 has 96 divisors (see below), whose sum is σ = 692129436960. Its totient is φ = 63743086080.

The previous prime is 223355924483. The next prime is 223355924569. The reversal of 223355924568 is 865429553322.

It is a happy number.

223355924568 is a `hidden beast` number, since 2 + 2 + 3 + 3 + 5 + 59 + 24 + 568 = 666.

It is a super-2 number, since 2×223355924568² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223355924569) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 189348 + ... + 694668.

It is an arithmetic number, because the mean of its divisors is an integer number (7209681635).

Almost surely, 2^223355924568 is an apocalyptic number.

223355924568 is a gapful number since it is divisible by the number (28) 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 223355924568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346064718480).

223355924568 is an abundant number, since it is smaller than the sum of its proper divisors (468773512392).

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

223355924568 is a wasteful number, since it uses less digits than its factorization.

223355924568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506217 (or 506210 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 223355924568 in words is "two hundred twenty-three billion, three hundred fifty-five million, nine hundred twenty-four thousand, five hundred sixty-eight".