40323230273 has 2 divisors, whose sum is σ = 40323230274. Its totient is φ = 40323230272.

The previous prime is 40323230249. The next prime is 40323230281. The reversal of 40323230273 is 37203232304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39486458944 + 836771329 = 198712^2 + 28927^2 .

It is a cyclic number.

It is not a de Polignac number, because 40323230273 - 2⁶ = 40323230209 is a prime.

It is not a weakly prime, because it can be changed into another prime (40323230173) 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, 20161615136 + 20161615137.

It is an arithmetic number, because the mean of its divisors is an integer number (20161615137).

Almost surely, 2^40323230273 is an apocalyptic number.

It is an amenable number.

40323230273 is a deficient number, since it is larger than the sum of its proper divisors (1).

40323230273 is an equidigital number, since it uses as much as digits as its factorization.

40323230273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 29.

Adding to 40323230273 its reverse (37203232304), we get a palindrome (77526462577).

The spelling of 40323230273 in words is "forty billion, three hundred twenty-three million, two hundred thirty thousand, two hundred seventy-three".