4230440273 has 2 divisors, whose sum is σ = 4230440274. Its totient is φ = 4230440272.

The previous prime is 4230440267. The next prime is 4230440281. The reversal of 4230440273 is 3720440324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4229291089 + 1149184 = 65033^2 + 1072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4230440273 is a prime.

It is not a weakly prime, because it can be changed into another prime (4230440173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115220136 + 2115220137.

It is an arithmetic number, because the mean of its divisors is an integer number (2115220137).

Almost surely, 2^4230440273 is an apocalyptic number.

It is an amenable number.

4230440273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230440273 is an equidigital number, since it uses as much as digits as its factorization.

4230440273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 4230440273 is about 65041.8347911558. The cubic root of 4230440273 is about 1617.3171405935.

Adding to 4230440273 its reverse (3720440324), we get a palindrome (7950880597).

The spelling of 4230440273 in words is "four billion, two hundred thirty million, four hundred forty thousand, two hundred seventy-three".