211423230200 has 1152 divisors, whose sum is σ = 697635348480. Its totient is φ = 58757529600.

The previous prime is 211423230121. The next prime is 211423230223. The reversal of 211423230200 is 2032324112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3155570567 + ... + 3155570633.

It is an arithmetic number, because the mean of its divisors is an integer number (605586240).

Almost surely, 2^211423230200 is an apocalyptic number.

211423230200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211423230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348817674240).

211423230200 is an abundant number, since it is smaller than the sum of its proper divisors (486212118280).

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

211423230200 is a wasteful number, since it uses less digits than its factorization.

211423230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 211423230200 its reverse (2032324112), we get a palindrome (213455554312).

The spelling of 211423230200 in words is "two hundred eleven billion, four hundred twenty-three million, two hundred thirty thousand, two hundred".