505583023 has 4 divisors (see below), whose sum is σ = 551545128. Its totient is φ = 459620920.

The previous prime is 505583021. The next prime is 505583041. The reversal of 505583023 is 320385505.

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

It is not a de Polignac number, because 505583023 - 2¹ = 505583021 is a prime.

It is a super-2 number, since 2×505583023² = 511228386291637058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505583021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22981036 + ... + 22981057.

It is an arithmetic number, because the mean of its divisors is an integer number (137886282).

Almost surely, 2^505583023 is an apocalyptic number.

505583023 is a deficient number, since it is larger than the sum of its proper divisors (45962105).

505583023 is a wasteful number, since it uses less digits than its factorization.

505583023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45962104.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 505583023 is about 22485.1734038232. The cubic root of 505583023 is about 796.6437637676.

The spelling of 505583023 in words is "five hundred five million, five hundred eighty-three thousand, twenty-three".