512023 has 4 divisors (see below), whose sum is σ = 542160. Its totient is φ = 481888.

The previous prime is 512021. The next prime is 512047. The reversal of 512023 is 320215.

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

It is a cyclic number.

It is not a de Polignac number, because 512023 - 2¹ = 512021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 511994 and 512012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512021) 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, 15043 + ... + 15076.

It is an arithmetic number, because the mean of its divisors is an integer number (135540).

2⁵¹²⁰²³ is an apocalyptic number.

512023 is a deficient number, since it is larger than the sum of its proper divisors (30137).

512023 is a wasteful number, since it uses less digits than its factorization.

512023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30136.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 512023 is about 715.5578243580. The cubic root of 512023 is about 80.0011978987.

Adding to 512023 its reverse (320215), we get a palindrome (832238).

The spelling of 512023 in words is "five hundred twelve thousand, twenty-three".