211423043115 has 96 divisors (see below), whose sum is σ = 421622323200. Its totient is φ = 97297044480.

The previous prime is 211423043107. The next prime is 211423043119. The reversal of 211423043115 is 511340324112.

211423043115 is a `hidden beast` number, since 2 + 1 + 1 + 42 + 304 + 311 + 5 = 666.

It is not a de Polignac number, because 211423043115 - 2³ = 211423043107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211423043119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 215976 + ... + 685194.

It is an arithmetic number, because the mean of its divisors is an integer number (4391899200).

Almost surely, 2^211423043115 is an apocalyptic number.

211423043115 is a deficient number, since it is larger than the sum of its proper divisors (210199280085).

211423043115 is a wasteful number, since it uses less digits than its factorization.

211423043115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469297 (or 469294 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 211423043115 its reverse (511340324112), we get a palindrome (722763367227).

The spelling of 211423043115 in words is "two hundred eleven billion, four hundred twenty-three million, forty-three thousand, one hundred fifteen".