505044323 has 6 divisors (see below), whose sum is σ = 587500596. Its totient is φ = 432895092.

The previous prime is 505044311. The next prime is 505044341. The reversal of 505044323 is 323440505.

It is not a de Polignac number, because 505044323 - 2¹² = 505040227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505044292 and 505044301.

It is not an unprimeable number, because it can be changed into a prime (505044223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5153465 + ... + 5153562.

It is an arithmetic number, because the mean of its divisors is an integer number (97916766).

Almost surely, 2^505044323 is an apocalyptic number.

505044323 is a deficient number, since it is larger than the sum of its proper divisors (82456273).

505044323 is a wasteful number, since it uses less digits than its factorization.

505044323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307041 (or 10307034 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 505044323 is about 22473.1912064130. The cubic root of 505044323 is about 796.3607212291.

Adding to 505044323 its reverse (323440505), we get a palindrome (828484828).

The spelling of 505044323 in words is "five hundred five million, forty-four thousand, three hundred twenty-three".