223738368 has 80 divisors (see below), whose sum is σ = 681236160. Its totient is φ = 63922176.

The previous prime is 223738367. The next prime is 223738373. The reversal of 223738368 is 863837322.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (223738363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 348 + ... + 21156.

It is an arithmetic number, because the mean of its divisors is an integer number (8515452).

Almost surely, 2^223738368 is an apocalyptic number.

223738368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223738368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340618080).

223738368 is an abundant number, since it is smaller than the sum of its proper divisors (457497792).

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

223738368 is an equidigital number, since it uses as much as digits as its factorization.

223738368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20837 (or 20821 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 223738368 is about 14957.8864817193. The cubic root of 223738368 is about 607.0812531966.

The spelling of 223738368 in words is "two hundred twenty-three million, seven hundred thirty-eight thousand, three hundred sixty-eight".