505240623223 has 24 divisors (see below), whose sum is σ = 603701091312. Its totient is φ = 421297801344.

The previous prime is 505240623179. The next prime is 505240623227. The reversal of 505240623223 is 322326042505.

It is not a de Polignac number, because 505240623223 - 2¹⁷ = 505240492151 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 (505240623227) 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 23 ways as a sum of consecutive naturals, for example, 15944011 + ... + 15975667.

It is an arithmetic number, because the mean of its divisors is an integer number (25154212138).

Almost surely, 2^505240623223 is an apocalyptic number.

505240623223 is a deficient number, since it is larger than the sum of its proper divisors (98460468089).

505240623223 is a wasteful number, since it uses less digits than its factorization.

505240623223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40511 (or 40504 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 505240623223 its reverse (322326042505), we get a palindrome (827566665728).

The spelling of 505240623223 in words is "five hundred five billion, two hundred forty million, six hundred twenty-three thousand, two hundred twenty-three".