302240423 has 2 divisors, whose sum is σ = 302240424. Its totient is φ = 302240422.

The previous prime is 302240413. The next prime is 302240431. The reversal of 302240423 is 324042203.

It is a strong prime.

It is an emirp because it is prime and its reverse (324042203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302240423 - 2⁸ = 302240167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 302240395 and 302240404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302240413) 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, 151120211 + 151120212.

It is an arithmetic number, because the mean of its divisors is an integer number (151120212).

Almost surely, 2^302240423 is an apocalyptic number.

302240423 is a deficient number, since it is larger than the sum of its proper divisors (1).

302240423 is an equidigital number, since it uses as much as digits as its factorization.

302240423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 302240423 is about 17385.0632153007. The cubic root of 302240423 is about 671.0952776590.

Adding to 302240423 its reverse (324042203), we get a palindrome (626282626).

The spelling of 302240423 in words is "three hundred two million, two hundred forty thousand, four hundred twenty-three".