223121230 has 8 divisors (see below), whose sum is σ = 401618232. Its totient is φ = 89248488.

The previous prime is 223121207. The next prime is 223121233. The reversal of 223121230 is 32121322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×223121230³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223121233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11156052 + ... + 11156071.

It is an arithmetic number, because the mean of its divisors is an integer number (50202279).

Almost surely, 2^223121230 is an apocalyptic number.

223121230 is a deficient number, since it is larger than the sum of its proper divisors (178497002).

223121230 is a wasteful number, since it uses less digits than its factorization.

223121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22312130.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 223121230 is about 14937.2430521834. The cubic root of 223121230 is about 606.5225680513.

Adding to 223121230 its reverse (32121322), we get a palindrome (255242552).

The spelling of 223121230 in words is "two hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty".