223463856 has 160 divisors (see below), whose sum is σ = 727953408. Its totient is φ = 57381120.

The previous prime is 223463809. The next prime is 223463881. The reversal of 223463856 is 658364322.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 380395 + ... + 380981.

Almost surely, 2^223463856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223463856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363976704).

223463856 is an abundant number, since it is smaller than the sum of its proper divisors (504489552).

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

223463856 is a wasteful number, since it uses less digits than its factorization.

223463856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 713 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 223463856 is about 14948.7075026572. The cubic root of 223463856 is about 606.8328688991.

The spelling of 223463856 in words is "two hundred twenty-three million, four hundred sixty-three thousand, eight hundred fifty-six".