223421303 has 8 divisors (see below), whose sum is σ = 255653280. Its totient is φ = 191268000.

The previous prime is 223421299. The next prime is 223421311. The reversal of 223421303 is 303124322.

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

It is not a de Polignac number, because 223421303 - 2² = 223421299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223421353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13448 + ... + 25053.

It is an arithmetic number, because the mean of its divisors is an integer number (31956660).

Almost surely, 2^223421303 is an apocalyptic number.

223421303 is a deficient number, since it is larger than the sum of its proper divisors (32231977).

223421303 is an equidigital number, since it uses as much as digits as its factorization.

223421303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39337.

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

The square root of 223421303 is about 14947.2841345844. The cubic root of 223421303 is about 606.7943478324.

Adding to 223421303 its reverse (303124322), we get a palindrome (526545625).

The spelling of 223421303 in words is "two hundred twenty-three million, four hundred twenty-one thousand, three hundred three".