312040200423 has 8 divisors (see below), whose sum is σ = 475489829248. Its totient is φ = 178308685944.

The previous prime is 312040200413. The next prime is 312040200431. The reversal of 312040200423 is 324002040213.

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

It is not a de Polignac number, because 312040200423 - 2¹³ = 312040192231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 14859057163 = 312040200423 / (3 + 1 + 2 + 0 + 4 + 0 + 2 + 0 + 0 + 4 + 2 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 312040200423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312040200413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7429528561 + ... + 7429528602.

It is an arithmetic number, because the mean of its divisors is an integer number (59436228656).

Almost surely, 2^312040200423 is an apocalyptic number.

312040200423 is a deficient number, since it is larger than the sum of its proper divisors (163449628825).

312040200423 is a wasteful number, since it uses less digits than its factorization.

312040200423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859057173.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 312040200423 its reverse (324002040213), we get a palindrome (636042240636).

The spelling of 312040200423 in words is "three hundred twelve billion, forty million, two hundred thousand, four hundred twenty-three".