84234231 has 12 divisors (see below), whose sum is σ = 121797208. Its totient is φ = 56098224.

The previous prime is 84234197. The next prime is 84234233. The reversal of 84234231 is 13243248.

84234231 is a `hidden beast` number, since 8 + 423 + 4 + 231 = 666.

It is not a de Polignac number, because 84234231 - 2⁷ = 84234103 is a prime.

It is a super-2 number, since 2×84234231² = 14190811344322722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84234195 and 84234204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84234233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5556 + ... + 14118.

Almost surely, 2^84234231 is an apocalyptic number.

84234231 is a deficient number, since it is larger than the sum of its proper divisors (37562977).

84234231 is a wasteful number, since it uses less digits than its factorization.

84234231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9662 (or 9659 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 84234231 is about 9177.9208429796. The cubic root of 84234231 is about 438.3586072965.

Adding to 84234231 its reverse (13243248), we get a palindrome (97477479).

The spelling of 84234231 in words is "eighty-four million, two hundred thirty-four thousand, two hundred thirty-one".