211200023 has 8 divisors (see below), whose sum is σ = 214439568. Its totient is φ = 207969984.

The previous prime is 211200001. The next prime is 211200037. The reversal of 211200023 is 320002112.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211200023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211199977 and 211200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51536 + ... + 55482.

It is an arithmetic number, because the mean of its divisors is an integer number (26804946).

Almost surely, 2^211200023 is an apocalyptic number.

211200023 is a deficient number, since it is larger than the sum of its proper divisors (3239545).

211200023 is an equidigital number, since it uses as much as digits as its factorization.

211200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 211200023 is about 14532.7224909856. The cubic root of 211200023 is about 595.5222427993.

Adding to 211200023 its reverse (320002112), we get a palindrome (531202135).

The spelling of 211200023 in words is "two hundred eleven million, two hundred thousand, twenty-three".