223434213 has 32 divisors (see below), whose sum is σ = 334181376. Its totient is φ = 132050688.

The previous prime is 223434191. The next prime is 223434221. The reversal of 223434213 is 312434322.

It is not a de Polignac number, because 223434213 - 2⁹ = 223433701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223434313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77170 + ... + 80012.

It is an arithmetic number, because the mean of its divisors is an integer number (10443168).

Almost surely, 2^223434213 is an apocalyptic number.

223434213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

223434213 is a deficient number, since it is larger than the sum of its proper divisors (110747163).

223434213 is a wasteful number, since it uses less digits than its factorization.

223434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953.

The product of its digits is 3456, while the sum is 24.

The square root of 223434213 is about 14947.7159793729. The cubic root of 223434213 is about 606.8060351156.

Adding to 223434213 its reverse (312434322), we get a palindrome (535868535).

The spelling of 223434213 in words is "two hundred twenty-three million, four hundred thirty-four thousand, two hundred thirteen".