211232232344 has 128 divisors (see below), whose sum is σ = 489585669120. Its totient is φ = 83386060800.

The previous prime is 211232232319. The next prime is 211232232353. The reversal of 211232232344 is 443232232112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9248699 + ... + 9271509.

It is an arithmetic number, because the mean of its divisors is an integer number (3824888040).

Almost surely, 2^211232232344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211232232344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244792834560).

211232232344 is an abundant number, since it is smaller than the sum of its proper divisors (278353436776).

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

211232232344 is a wasteful number, since it uses less digits than its factorization.

211232232344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23049 (or 23045 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 211232232344 its reverse (443232232112), we get a palindrome (654464464456).

The spelling of 211232232344 in words is "two hundred eleven billion, two hundred thirty-two million, two hundred thirty-two thousand, three hundred forty-four".