223841213 has 4 divisors (see below), whose sum is σ = 228603840. Its totient is φ = 219078588.

The previous prime is 223841197. The next prime is 223841243. The reversal of 223841213 is 312148322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223841213 - 2⁴ = 223841197 is a prime.

It is a super-2 number, since 2×223841213² = 100209777274622738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223841243) 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, 2381243 + ... + 2381336.

It is an arithmetic number, because the mean of its divisors is an integer number (57150960).

Almost surely, 2^223841213 is an apocalyptic number.

It is an amenable number.

223841213 is a deficient number, since it is larger than the sum of its proper divisors (4762627).

223841213 is an equidigital number, since it uses as much as digits as its factorization.

223841213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762626.

The product of its digits is 2304, while the sum is 26.

The square root of 223841213 is about 14961.3239053234. The cubic root of 223841213 is about 607.1742572233.

Adding to 223841213 its reverse (312148322), we get a palindrome (535989535).

The spelling of 223841213 in words is "two hundred twenty-three million, eight hundred forty-one thousand, two hundred thirteen".