302242123 has 2 divisors, whose sum is σ = 302242124. Its totient is φ = 302242122.

The previous prime is 302242081. The next prime is 302242153. The reversal of 302242123 is 321242203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302242123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 302242123.

It is not a weakly prime, because it can be changed into another prime (302242153) 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, 151121061 + 151121062.

It is an arithmetic number, because the mean of its divisors is an integer number (151121062).

Almost surely, 2^302242123 is an apocalyptic number.

302242123 is a deficient number, since it is larger than the sum of its proper divisors (1).

302242123 is an equidigital number, since it uses as much as digits as its factorization.

302242123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 302242123 is about 17385.1121077777. The cubic root of 302242123 is about 671.0965358846.

Adding to 302242123 its reverse (321242203), we get a palindrome (623484326).

The spelling of 302242123 in words is "three hundred two million, two hundred forty-two thousand, one hundred twenty-three".