43223497 has 2 divisors, whose sum is σ = 43223498. Its totient is φ = 43223496.

The previous prime is 43223489. The next prime is 43223527. The reversal of 43223497 is 79432234.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40755456 + 2468041 = 6384^2 + 1571^2 .

It is a cyclic number.

It is not a de Polignac number, because 43223497 - 2³ = 43223489 is a prime.

It is not a weakly prime, because it can be changed into another prime (43223407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21611748 + 21611749.

It is an arithmetic number, because the mean of its divisors is an integer number (21611749).

Almost surely, 2^43223497 is an apocalyptic number.

It is an amenable number.

43223497 is a deficient number, since it is larger than the sum of its proper divisors (1).

43223497 is an equidigital number, since it uses as much as digits as its factorization.

43223497 is an evil number, because the sum of its binary digits is even.

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

The square root of 43223497 is about 6574.4579244224. The cubic root of 43223497 is about 350.9457333929.

The spelling of 43223497 in words is "forty-three million, two hundred twenty-three thousand, four hundred ninety-seven".