241223309 has 2 divisors, whose sum is σ = 241223310. Its totient is φ = 241223308.

The previous prime is 241223303. The next prime is 241223347. The reversal of 241223309 is 903322142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239475625 + 1747684 = 15475^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 241223309 - 2⁸ = 241223053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241223303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120611654 + 120611655.

It is an arithmetic number, because the mean of its divisors is an integer number (120611655).

Almost surely, 2^241223309 is an apocalyptic number.

It is an amenable number.

241223309 is a deficient number, since it is larger than the sum of its proper divisors (1).

241223309 is an equidigital number, since it uses as much as digits as its factorization.

241223309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 241223309 is about 15531.3653295517. The cubic root of 241223309 is about 622.5005749364.

The spelling of 241223309 in words is "two hundred forty-one million, two hundred twenty-three thousand, three hundred nine".