43231243 has 6 divisors (see below), whose sum is σ = 47518772. Its totient is φ = 39301020.

The previous prime is 43231241. The next prime is 43231277. The reversal of 43231243 is 34213234.

It is a happy number.

It is not a de Polignac number, because 43231243 - 2¹ = 43231241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43231241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178521 + ... + 178762.

Almost surely, 2^43231243 is an apocalyptic number.

43231243 is a deficient number, since it is larger than the sum of its proper divisors (4287529).

43231243 is a wasteful number, since it uses less digits than its factorization.

43231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357305 (or 357294 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 43231243 is about 6575.0469960298. The cubic root of 43231243 is about 350.9666962447.

Adding to 43231243 its reverse (34213234), we get a palindrome (77444477).

Subtracting from 43231243 its reverse (34213234), we obtain a square (9018009 = 3003²).

The spelling of 43231243 in words is "forty-three million, two hundred thirty-one thousand, two hundred forty-three".