223864344 has 64 divisors (see below), whose sum is σ = 678384000. Its totient is φ = 67836960.

The previous prime is 223864343. The next prime is 223864357. The reversal of 223864344 is 443468322.

223864344 is a `hidden beast` number, since 2 + 2 + 3 + 8 + 643 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 223864299 and 223864308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223864343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44734 + ... + 49485.

It is an arithmetic number, because the mean of its divisors is an integer number (10599750).

Almost surely, 2^223864344 is an apocalyptic number.

223864344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223864344 is an abundant number, since it is smaller than the sum of its proper divisors (454519656).

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

223864344 is a wasteful number, since it uses less digits than its factorization.

223864344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94245 (or 94235 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 223864344 is about 14962.0969118637. The cubic root of 223864344 is about 607.1951709532.

The spelling of 223864344 in words is "two hundred twenty-three million, eight hundred sixty-four thousand, three hundred forty-four".