213230223 has 24 divisors (see below), whose sum is σ = 317148000. Its totient is φ = 137951424.

The previous prime is 213230219. The next prime is 213230261. The reversal of 213230223 is 322032312.

It is a happy number.

213230223 is a `hidden beast` number, since 213 + 230 + 223 = 666.

It is not a de Polignac number, because 213230223 - 2² = 213230219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213230196 and 213230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198933 + ... + 200001.

It is an arithmetic number, because the mean of its divisors is an integer number (13214500).

Almost surely, 2^213230223 is an apocalyptic number.

213230223 is a deficient number, since it is larger than the sum of its proper divisors (103917777).

213230223 is a wasteful number, since it uses less digits than its factorization.

213230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 213230223 is about 14602.4046992268. The cubic root of 213230223 is about 597.4243508737.

Adding to 213230223 its reverse (322032312), we get a palindrome (535262535).

The spelling of 213230223 in words is "two hundred thirteen million, two hundred thirty thousand, two hundred twenty-three".