312523005 has 16 divisors (see below), whose sum is σ = 500883264. Its totient is φ = 166396800.

The previous prime is 312522983. The next prime is 312523007. The reversal of 312523005 is 500325213.

It is not a de Polignac number, because 312523005 - 2⁹ = 312522493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312523007) 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, 8319 + ... + 26348.

It is an arithmetic number, because the mean of its divisors is an integer number (31305204).

Almost surely, 2^312523005 is an apocalyptic number.

It is an amenable number.

312523005 is a deficient number, since it is larger than the sum of its proper divisors (188360259).

312523005 is a wasteful number, since it uses less digits than its factorization.

312523005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35276.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 312523005 is about 17678.3201973491. The cubic root of 312523005 is about 678.6210557874.

Adding to 312523005 its reverse (500325213), we get a palindrome (812848218).

The spelling of 312523005 in words is "three hundred twelve million, five hundred twenty-three thousand, five".