211423113404 has 12 divisors (see below), whose sum is σ = 369996640104. Its totient is φ = 105709787664.

The previous prime is 211423113397. The next prime is 211423113439. The reversal of 211423113404 is 404311324112.

211423113404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 152222 + ... + 667845.

It is an arithmetic number, because the mean of its divisors is an integer number (30833053342).

Almost surely, 2^211423113404 is an apocalyptic number.

It is an amenable number.

211423113404 is a deficient number, since it is larger than the sum of its proper divisors (158573526700).

211423113404 is a wasteful number, since it uses less digits than its factorization.

211423113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884524 (or 884522 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211423113404 its reverse (404311324112), we get a palindrome (615734437516).

The spelling of 211423113404 in words is "two hundred eleven billion, four hundred twenty-three million, one hundred thirteen thousand, four hundred four".