211204330423 has 8 divisors (see below), whose sum is σ = 215770536000. Its totient is φ = 206685443328.

The previous prime is 211204330417. The next prime is 211204330433. The reversal of 211204330423 is 324033402112.

211204330423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-211204330423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211204330433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11820598 + ... + 11838451.

It is an arithmetic number, because the mean of its divisors is an integer number (26971317000).

Almost surely, 2^211204330423 is an apocalyptic number.

211204330423 is a deficient number, since it is larger than the sum of its proper divisors (4566205577).

211204330423 is a wasteful number, since it uses less digits than its factorization.

211204330423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23659241.

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

Adding to 211204330423 its reverse (324033402112), we get a palindrome (535237732535).

The spelling of 211204330423 in words is "two hundred eleven billion, two hundred four million, three hundred thirty thousand, four hundred twenty-three".