223731168 has 48 divisors (see below), whose sum is σ = 589916880. Its totient is φ = 74244096.

The previous prime is 223731149. The next prime is 223731199. The reversal of 223731168 is 861137322.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16896 + ... + 27072.

It is an arithmetic number, because the mean of its divisors is an integer number (12289935).

Almost surely, 2^223731168 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 223731168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294958440).

223731168 is an abundant number, since it is smaller than the sum of its proper divisors (366185712).

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

223731168 is a wasteful number, since it uses less digits than its factorization.

223731168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10419 (or 10411 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 223731168 is about 14957.6458040696. The cubic root of 223731168 is about 607.0747410786.

The spelling of 223731168 in words is "two hundred twenty-three million, seven hundred thirty-one thousand, one hundred sixty-eight".