512005023 has 16 divisors (see below), whose sum is σ = 759010560. Its totient is φ = 341118648.

The previous prime is 512005019. The next prime is 512005037. The reversal of 512005023 is 320500215.

It is a happy number.

It is not a de Polignac number, because 512005023 - 2² = 512005019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512004987 and 512005005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512001023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44736 + ... + 55002.

It is an arithmetic number, because the mean of its divisors is an integer number (47438160).

Almost surely, 2^512005023 is an apocalyptic number.

512005023 is a deficient number, since it is larger than the sum of its proper divisors (247005537).

512005023 is a wasteful number, since it uses less digits than its factorization.

512005023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123 (or 12117 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 512005023 is about 22627.5279913649. The cubic root of 512005023 is about 800.0026161373.

Adding to 512005023 its reverse (320500215), we get a palindrome (832505238).

The spelling of 512005023 in words is "five hundred twelve million, five thousand, twenty-three".