501422323 has 2 divisors, whose sum is σ = 501422324. Its totient is φ = 501422322.

The previous prime is 501422321. The next prime is 501422359. The reversal of 501422323 is 323224105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501422323 - 2¹ = 501422321 is a prime.

Together with 501422321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 501422294 and 501422303.

It is not a weakly prime, because it can be changed into another prime (501422321) 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, 250711161 + 250711162.

It is an arithmetic number, because the mean of its divisors is an integer number (250711162).

Almost surely, 2^501422323 is an apocalyptic number.

501422323 is a deficient number, since it is larger than the sum of its proper divisors (1).

501422323 is an equidigital number, since it uses as much as digits as its factorization.

501422323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 501422323 is about 22392.4612983924. The cubic root of 501422323 is about 794.4524124926.

Adding to 501422323 its reverse (323224105), we get a palindrome (824646428).

The spelling of 501422323 in words is "five hundred one million, four hundred twenty-two thousand, three hundred twenty-three".