312406423 has 4 divisors (see below), whose sum is σ = 357035920. Its totient is φ = 267776928.

The previous prime is 312406421. The next prime is 312406427. The reversal of 312406423 is 324604213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324604213 = 67 ⋅4844839.

It is a cyclic number.

It is not a de Polignac number, because 312406423 - 2¹ = 312406421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312406421) 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 3 ways as a sum of consecutive naturals, for example, 22314738 + ... + 22314751.

It is an arithmetic number, because the mean of its divisors is an integer number (89258980).

Almost surely, 2^312406423 is an apocalyptic number.

312406423 is a deficient number, since it is larger than the sum of its proper divisors (44629497).

312406423 is an equidigital number, since it uses as much as digits as its factorization.

312406423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44629496.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 312406423 is about 17675.0225742430. The cubic root of 312406423 is about 678.5366621713.

The spelling of 312406423 in words is "three hundred twelve million, four hundred six thousand, four hundred twenty-three".