43204204231 has 4 divisors (see below), whose sum is σ = 43384975200. Its totient is φ = 43023433264.

The previous prime is 43204204229. The next prime is 43204204247. The reversal of 43204204231 is 13240240234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43204204231 - 2¹ = 43204204229 is a prime.

It is a super-2 number, since 2×43204204231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43204204196 and 43204204205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43204204201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90385126 + ... + 90385603.

It is an arithmetic number, because the mean of its divisors is an integer number (10846243800).

Almost surely, 2^43204204231 is an apocalyptic number.

43204204231 is a deficient number, since it is larger than the sum of its proper divisors (180770969).

43204204231 is a wasteful number, since it uses less digits than its factorization.

43204204231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180770968.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43204204231 its reverse (13240240234), we get a palindrome (56444444465).

The spelling of 43204204231 in words is "forty-three billion, two hundred four million, two hundred four thousand, two hundred thirty-one".