223938213 has 8 divisors (see below), whose sum is σ = 298891968. Its totient is φ = 149138304.

The previous prime is 223938193. The next prime is 223938223. The reversal of 223938213 is 312839322.

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

It is not a de Polignac number, because 223938213 - 2⁵ = 223938181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223938223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35020 + ... + 40917.

It is an arithmetic number, because the mean of its divisors is an integer number (37361496).

Almost surely, 2^223938213 is an apocalyptic number.

It is an amenable number.

223938213 is a deficient number, since it is larger than the sum of its proper divisors (74953755).

223938213 is an equidigital number, since it uses as much as digits as its factorization.

223938213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76923.

The product of its digits is 15552, while the sum is 33.

The square root of 223938213 is about 14964.5652459402. The cubic root of 223938213 is about 607.2619494417.

The spelling of 223938213 in words is "two hundred twenty-three million, nine hundred thirty-eight thousand, two hundred thirteen".