223663830 has 32 divisors (see below), whose sum is σ = 578085984. Its totient is φ = 55055616.

The previous prime is 223663829. The next prime is 223663903. The reversal of 223663830 is 38366322.

It is a junction number, because it is equal to n+sod(n) for n = 223663791 and 223663800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286359 + ... + 287138.

It is an arithmetic number, because the mean of its divisors is an integer number (18065187).

Almost surely, 2^223663830 is an apocalyptic number.

223663830 is an abundant number, since it is smaller than the sum of its proper divisors (354422154).

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

223663830 is a wasteful number, since it uses less digits than its factorization.

223663830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573520.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 223663830 is about 14955.3946788442. The cubic root of 223663830 is about 607.0138297310.

It can be divided in two parts, 2236 and 63830, that added together give a palindrome (66066).

The spelling of 223663830 in words is "two hundred twenty-three million, six hundred sixty-three thousand, eight hundred thirty".