211432223230 has 16 divisors (see below), whose sum is σ = 382680645984. Its totient is φ = 84105635040.

The previous prime is 211432223143. The next prime is 211432223287. The reversal of 211432223230 is 32322234112.

It is a junction number, because it is equal to n+sod(n) for n = 211432223195 and 211432223204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58404882 + ... + 58408501.

It is an arithmetic number, because the mean of its divisors is an integer number (23917540374).

Almost surely, 2^211432223230 is an apocalyptic number.

211432223230 is a deficient number, since it is larger than the sum of its proper divisors (171248422754).

211432223230 is a wasteful number, since it uses less digits than its factorization.

211432223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116813571.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 211432223230 its reverse (32322234112), we get a palindrome (243754457342).

The spelling of 211432223230 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred twenty-three thousand, two hundred thirty".