815230323 has 6 divisors (see below), whose sum is σ = 1177554924. Its totient is φ = 543486876.

The previous prime is 815230303. The next prime is 815230327. The reversal of 815230323 is 323032518.

It is not a de Polignac number, because 815230323 - 2¹² = 815226227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (815230327) 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 5 ways as a sum of consecutive naturals, for example, 45290565 + ... + 45290582.

It is an arithmetic number, because the mean of its divisors is an integer number (196259154).

Almost surely, 2^815230323 is an apocalyptic number.

815230323 is a deficient number, since it is larger than the sum of its proper divisors (362324601).

815230323 is a wasteful number, since it uses less digits than its factorization.

815230323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90581153 (or 90581150 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 815230323 is about 28552.2384936803. The cubic root of 815230323 is about 934.1718473680.

The spelling of 815230323 in words is "eight hundred fifteen million, two hundred thirty thousand, three hundred twenty-three".