236442430231 has 12 divisors (see below), whose sum is σ = 277479311472. Its totient is φ = 200871440448.

The previous prime is 236442430229. The next prime is 236442430277. The reversal of 236442430231 is 132034244632.

It is not a de Polignac number, because 236442430231 - 2¹ = 236442430229 is a prime.

It is a super-2 number, since 2×236442430231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236442434231) 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, 21345595 + ... + 21356668.

It is an arithmetic number, because the mean of its divisors is an integer number (23123275956).

Almost surely, 2^236442430231 is an apocalyptic number.

236442430231 is a deficient number, since it is larger than the sum of its proper divisors (41036881241).

236442430231 is a wasteful number, since it uses less digits than its factorization.

236442430231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42702390 (or 42702383 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 236442430231 its reverse (132034244632), we get a palindrome (368476674863).

The spelling of 236442430231 in words is "two hundred thirty-six billion, four hundred forty-two million, four hundred thirty thousand, two hundred thirty-one".