223435234553636 has 12 divisors (see below), whose sum is σ = 446870469107328. Its totient is φ = 95757957665832.

The previous prime is 223435234553621. The next prime is 223435234553639. The reversal of 223435234553636 is 636355432534322.

It is a happy number.

223435234553636 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (223435234553639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3989914902716 + ... + 3989914902771.

It is an arithmetic number, because the mean of its divisors is an integer number (37239205758944).

Almost surely, 2^{223435234553636} is an apocalyptic number.

It is an amenable number.

223435234553636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223435234553636 is a wasteful number, since it uses less digits than its factorization.

223435234553636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979829805498 (or 7979829805496 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 56.

The spelling of 223435234553636 in words is "two hundred twenty-three trillion, four hundred thirty-five billion, two hundred thirty-four million, five hundred fifty-three thousand, six hundred thirty-six".