213223231230 has 32 divisors (see below), whose sum is σ = 512136579744. Its totient is φ = 56814992256.

The previous prime is 213223231217. The next prime is 213223231237. The reversal of 213223231230 is 32132322312.

It is a self number, because there is not a number n which added to its sum of digits gives 213223231230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223231237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2744557 + ... + 2821176.

It is an arithmetic number, because the mean of its divisors is an integer number (16004268117).

Almost surely, 2^213223231230 is an apocalyptic number.

213223231230 is an abundant number, since it is smaller than the sum of its proper divisors (298913348514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213223231230 is a wasteful number, since it uses less digits than its factorization.

213223231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567020.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213223231230 its reverse (32132322312), we get a palindrome (245355553542).

The spelling of 213223231230 in words is "two hundred thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty".