43423297 has 2 divisors, whose sum is σ = 43423298. Its totient is φ = 43423296.

The previous prime is 43423279. The next prime is 43423319. The reversal of 43423297 is 79232434.

It is a happy number.

Together with previous prime (43423279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37834801 + 5588496 = 6151^2 + 2364^2 .

It is a cyclic number.

It is not a de Polignac number, because 43423297 - 2¹¹ = 43421249 is a prime.

It is not a weakly prime, because it can be changed into another prime (43423207) 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 as a sum of consecutive naturals, namely, 21711648 + 21711649.

It is an arithmetic number, because the mean of its divisors is an integer number (21711649).

Almost surely, 2^43423297 is an apocalyptic number.

It is an amenable number.

43423297 is a deficient number, since it is larger than the sum of its proper divisors (1).

43423297 is an equidigital number, since it uses as much as digits as its factorization.

43423297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 43423297 is about 6589.6355741422. The cubic root of 43423297 is about 351.4856495473.

The spelling of 43423297 in words is "forty-three million, four hundred twenty-three thousand, two hundred ninety-seven".