223755965436 has 12 divisors (see below), whose sum is σ = 522097252712. Its totient is φ = 74585321808.

The previous prime is 223755965423. The next prime is 223755965437. The reversal of 223755965436 is 634569557322.

It is a happy number.

223755965436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223755965437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9323165215 + ... + 9323165238.

Almost surely, 2^223755965436 is an apocalyptic number.

It is an amenable number.

223755965436 is an abundant number, since it is smaller than the sum of its proper divisors (298341287276).

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

223755965436 is a wasteful number, since it uses less digits than its factorization.

223755965436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18646330460 (or 18646330458 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 57.

The spelling of 223755965436 in words is "two hundred twenty-three billion, seven hundred fifty-five million, nine hundred sixty-five thousand, four hundred thirty-six".