505202323 has 2 divisors, whose sum is σ = 505202324. Its totient is φ = 505202322.

The previous prime is 505202297. The next prime is 505202333. The reversal of 505202323 is 323202505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505202323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505202294 and 505202303.

It is not a weakly prime, because it can be changed into another prime (505202333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252601161 + 252601162.

It is an arithmetic number, because the mean of its divisors is an integer number (252601162).

Almost surely, 2^505202323 is an apocalyptic number.

505202323 is a deficient number, since it is larger than the sum of its proper divisors (1).

505202323 is an equidigital number, since it uses as much as digits as its factorization.

505202323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 505202323 is about 22476.7062311185. The cubic root of 505202323 is about 796.4437580831.

Adding to 505202323 its reverse (323202505), we get a palindrome (828404828).

The spelling of 505202323 in words is "five hundred five million, two hundred two thousand, three hundred twenty-three".