43126231 has 2 divisors, whose sum is σ = 43126232. Its totient is φ = 43126230.

The previous prime is 43126211. The next prime is 43126241. The reversal of 43126231 is 13262134.

43126231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43126231 - 2⁵ = 43126199 is a prime.

It is a super-2 number, since 2×43126231² = 3719743600530722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43126211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21563115 + 21563116.

It is an arithmetic number, because the mean of its divisors is an integer number (21563116).

Almost surely, 2^43126231 is an apocalyptic number.

43126231 is a deficient number, since it is larger than the sum of its proper divisors (1).

43126231 is an equidigital number, since it uses as much as digits as its factorization.

43126231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 43126231 is about 6567.0564943512. The cubic root of 43126231 is about 350.6822908450.

Adding to 43126231 its reverse (13262134), we get a palindrome (56388365).

It can be divided in two parts, 431 and 26231, that added together give a palindrome (26662).

The spelling of 43126231 in words is "forty-three million, one hundred twenty-six thousand, two hundred thirty-one".