512315223 has 8 divisors (see below), whose sum is σ = 780670848. Its totient is φ = 292751544.

The previous prime is 512315203. The next prime is 512315227. The reversal of 512315223 is 322513215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512315223 - 2¹² = 512311127 is a prime.

It is a super-3 number, since 3×512315223³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512315193 and 512315202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512315227) by changing a digit.

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, 12197961 + ... + 12198002.

It is an arithmetic number, because the mean of its divisors is an integer number (97583856).

Almost surely, 2^512315223 is an apocalyptic number.

512315223 is a deficient number, since it is larger than the sum of its proper divisors (268355625).

512315223 is a wasteful number, since it uses less digits than its factorization.

512315223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24395973.

The product of its digits is 1800, while the sum is 24.

The square root of 512315223 is about 22634.3814362134. The cubic root of 512315223 is about 800.1641449641.

Adding to 512315223 its reverse (322513215), we get a palindrome (834828438).

The spelling of 512315223 in words is "five hundred twelve million, three hundred fifteen thousand, two hundred twenty-three".