211223303234 has 8 divisors (see below), whose sum is σ = 319971934908. Its totient is φ = 104565991600.

The previous prime is 211223303227. The next prime is 211223303237. The reversal of 211223303234 is 432303322112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 205857301225 + 5366002009 = 453715^2 + 73253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (211223303237) 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, 522829757 + ... + 522830160.

Almost surely, 2^211223303234 is an apocalyptic number.

211223303234 is a deficient number, since it is larger than the sum of its proper divisors (108748631674).

211223303234 is a wasteful number, since it uses less digits than its factorization.

211223303234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045660020.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 211223303234 its reverse (432303322112), we get a palindrome (643526625346).

The spelling of 211223303234 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred three thousand, two hundred thirty-four".