505015023 has 8 divisors (see below), whose sum is σ = 675974448. Its totient is φ = 335366144.

The previous prime is 505015013. The next prime is 505015051. The reversal of 505015023 is 320510505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505015023 - 2²⁰ = 503966447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505015013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326736 + ... + 328277.

It is an arithmetic number, because the mean of its divisors is an integer number (84496806).

Almost surely, 2^505015023 is an apocalyptic number.

505015023 is a deficient number, since it is larger than the sum of its proper divisors (170959425).

505015023 is a wasteful number, since it uses less digits than its factorization.

505015023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655273.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 505015023 is about 22472.5393091213. The cubic root of 505015023 is about 796.3453207192.

Adding to 505015023 its reverse (320510505), we get a palindrome (825525528).

The spelling of 505015023 in words is "five hundred five million, fifteen thousand, twenty-three".