223356385850 has 24 divisors (see below), whose sum is σ = 447400023420. Its totient is φ = 82470049920.

The previous prime is 223356385799. The next prime is 223356385873. The reversal of 223356385850 is 58583653322.

It can be written as a sum of positive squares in 6 ways, for example, as 36176420401 + 187179965449 = 190201^2 + 432643^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171811955 + ... + 171813254.

Almost surely, 2^223356385850 is an apocalyptic number.

223356385850 is an abundant number, since it is smaller than the sum of its proper divisors (224043637570).

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

223356385850 is a wasteful number, since it uses less digits than its factorization.

223356385850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343625234 (or 343625229 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 223356385850 in words is "two hundred twenty-three billion, three hundred fifty-six million, three hundred eighty-five thousand, eight hundred fifty".