505041310051423 has 4 divisors (see below), whose sum is σ = 505041470119080. Its totient is φ = 505041149983768.

The previous prime is 505041310051417. The next prime is 505041310051427. The reversal of 505041310051423 is 324150013140505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505041310051423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505041310051427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75203908 + ... + 81643801.

It is an arithmetic number, because the mean of its divisors is an integer number (126260367529770).

Almost surely, 2^{505041310051423} is an apocalyptic number.

505041310051423 is a deficient number, since it is larger than the sum of its proper divisors (160067657).

505041310051423 is a wasteful number, since it uses less digits than its factorization.

505041310051423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160067656.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 505041310051423 its reverse (324150013140505), we get a palindrome (829191323191928).

The spelling of 505041310051423 in words is "five hundred five trillion, forty-one billion, three hundred ten million, fifty-one thousand, four hundred twenty-three".