512423132 has 24 divisors (see below), whose sum is σ = 967878576. Its totient is φ = 235974528.

The previous prime is 512423099. The next prime is 512423147. The reversal of 512423132 is 231324215.

It is a junction number, because it is equal to n+sod(n) for n = 512423098 and 512423107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12983 + ... + 34545.

It is an arithmetic number, because the mean of its divisors is an integer number (40328274).

Almost surely, 2^512423132 is an apocalyptic number.

512423132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

512423132 is a deficient number, since it is larger than the sum of its proper divisors (455455444).

512423132 is a wasteful number, since it uses less digits than its factorization.

512423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22037 (or 22035 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 512423132 is about 22636.7650515704. The cubic root of 512423132 is about 800.2203205680.

Adding to 512423132 its reverse (231324215), we get a palindrome (743747347).

The spelling of 512423132 in words is "five hundred twelve million, four hundred twenty-three thousand, one hundred thirty-two".