211430232432 has 120 divisors (see below), whose sum is σ = 630270347616. Its totient is φ = 65933733888.

The previous prime is 211430232397. The next prime is 211430232439. The reversal of 211430232432 is 234232034112.

211430232432 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 302 + 324 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 211430232396 and 211430232405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211430232439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150228 + ... + 667404.

Almost surely, 2^211430232432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211430232432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315135173808).

211430232432 is an abundant number, since it is smaller than the sum of its proper divisors (418840115184).

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

211430232432 is a wasteful number, since it uses less digits than its factorization.

211430232432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517375 (or 517366 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 211430232432 its reverse (234232034112), we get a palindrome (445662266544).

The spelling of 211430232432 in words is "two hundred eleven billion, four hundred thirty million, two hundred thirty-two thousand, four hundred thirty-two".