4232309 has 2 divisors, whose sum is σ = 4232310. Its totient is φ = 4232308.

The previous prime is 4232287. The next prime is 4232351. The reversal of 4232309 is 9032324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 1493284 = 1655^2 + 1222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4232309 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁹ + 3⁴ + 2²¹ + 3¹³ + 0 + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4232009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2116154 + 2116155.

It is an arithmetic number, because the mean of its divisors is an integer number (2116155).

Almost surely, 2^4232309 is an apocalyptic number.

It is an amenable number.

4232309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4232309 is an equidigital number, since it uses as much as digits as its factorization.

4232309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 4232309 is about 2057.2576406469. The cubic root of 4232309 is about 161.7555246567.

The spelling of 4232309 in words is "four million, two hundred thirty-two thousand, three hundred nine".