43235243 has 2 divisors, whose sum is σ = 43235244. Its totient is φ = 43235242.

The previous prime is 43235219. The next prime is 43235249. The reversal of 43235243 is 34253234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43235243 - 2²⁰ = 42186667 is a prime.

It is not a weakly prime, because it can be changed into another prime (43235249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21617621 + 21617622.

It is an arithmetic number, because the mean of its divisors is an integer number (21617622).

Almost surely, 2^43235243 is an apocalyptic number.

43235243 is a deficient number, since it is larger than the sum of its proper divisors (1).

43235243 is an equidigital number, since it uses as much as digits as its factorization.

43235243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 26.

The square root of 43235243 is about 6575.3511693293. The cubic root of 43235243 is about 350.9775203878.

Adding to 43235243 its reverse (34253234), we get a palindrome (77488477).

Subtracting from 43235243 its reverse (34253234), we obtain a square (8982009 = 2997²).

The spelling of 43235243 in words is "forty-three million, two hundred thirty-five thousand, two hundred forty-three".