505122323 has 2 divisors, whose sum is σ = 505122324. Its totient is φ = 505122322.

The previous prime is 505122281. The next prime is 505122341. The reversal of 505122323 is 323221505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505122323 is a prime.

It is a super-2 number, since 2×505122323² = 510297122385832658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505122523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252561161 + 252561162.

It is an arithmetic number, because the mean of its divisors is an integer number (252561162).

Almost surely, 2^505122323 is an apocalyptic number.

505122323 is a deficient number, since it is larger than the sum of its proper divisors (1).

505122323 is an equidigital number, since it uses as much as digits as its factorization.

505122323 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 23.

The square root of 505122323 is about 22474.9265404806. The cubic root of 505122323 is about 796.4017162705.

Adding to 505122323 its reverse (323221505), we get a palindrome (828343828).

The spelling of 505122323 in words is "five hundred five million, one hundred twenty-two thousand, three hundred twenty-three".