512235423 has 12 divisors (see below), whose sum is σ = 845595088. Its totient is φ = 292705920.

The previous prime is 512235397. The next prime is 512235431. The reversal of 512235423 is 324532215.

It is a happy number.

512235423 is a `hidden beast` number, since 5 + 1 + 2 + 235 + 423 = 666.

It is not a de Polignac number, because 512235423 - 2⁶ = 512235359 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 (512235443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4065298 + ... + 4065423.

Almost surely, 2^512235423 is an apocalyptic number.

512235423 is a deficient number, since it is larger than the sum of its proper divisors (333359665).

512235423 is a wasteful number, since it uses less digits than its factorization.

512235423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130734 (or 8130731 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 512235423 is about 22632.6185625968. The cubic root of 512235423 is about 800.1225973572.

Adding to 512235423 its reverse (324532215), we get a palindrome (836767638).

The spelling of 512235423 in words is "five hundred twelve million, two hundred thirty-five thousand, four hundred twenty-three".