223303421 has 8 divisors (see below), whose sum is σ = 243717600. Its totient is φ = 202908240.

The previous prime is 223303417. The next prime is 223303427. The reversal of 223303421 is 124303322.

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

It is a cyclic number.

It is not a de Polignac number, because 223303421 - 2² = 223303417 is a prime.

It is a super-3 number, since 3×223303421³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223303393 and 223303402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223303427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32735 + ... + 38963.

It is an arithmetic number, because the mean of its divisors is an integer number (30464700).

Almost surely, 2^223303421 is an apocalyptic number.

It is an amenable number.

223303421 is a deficient number, since it is larger than the sum of its proper divisors (20414179).

223303421 is a wasteful number, since it uses less digits than its factorization.

223303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 223303421 is about 14943.3403561587. The cubic root of 223303421 is about 606.6876097038.

Adding to 223303421 its reverse (124303322), we get a palindrome (347606743).

Subtracting from 223303421 its reverse (124303322), we obtain a palindrome (99000099).

The spelling of 223303421 in words is "two hundred twenty-three million, three hundred three thousand, four hundred twenty-one".