43223273 has 2 divisors, whose sum is σ = 43223274. Its totient is φ = 43223272.

The previous prime is 43223263. The next prime is 43223281. The reversal of 43223273 is 37232234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41126569 + 2096704 = 6413^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 43223273 - 2⁶ = 43223209 is a prime.

It is equal to p_2617244 and since 43223273 and 2617244 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (43223203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21611636 + 21611637.

It is an arithmetic number, because the mean of its divisors is an integer number (21611637).

Almost surely, 2^43223273 is an apocalyptic number.

It is an amenable number.

43223273 is a deficient number, since it is larger than the sum of its proper divisors (1).

43223273 is an equidigital number, since it uses as much as digits as its factorization.

43223273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 26.

The square root of 43223273 is about 6574.4408887753. The cubic root of 43223273 is about 350.9451271487.

The spelling of 43223273 in words is "forty-three million, two hundred twenty-three thousand, two hundred seventy-three".