312412443432343 has 4 divisors (see below), whose sum is σ = 312412531187448. Its totient is φ = 312412355677240.

The previous prime is 312412443432317. The next prime is 312412443432347. The reversal of 312412443432343 is 343234344214213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312412443432343 - 2⁹ = 312412443431831 is a prime.

It is a super-2 number, since 2×312412443432343² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312412443432343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312412443432347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38301253 + ... + 45736318.

It is an arithmetic number, because the mean of its divisors is an integer number (78103132796862).

Almost surely, 2^{312412443432343} is an apocalyptic number.

312412443432343 is a deficient number, since it is larger than the sum of its proper divisors (87755105).

312412443432343 is an equidigital number, since it uses as much as digits as its factorization.

312412443432343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87755104.

The product of its digits is 1990656, while the sum is 43.

Adding to 312412443432343 its reverse (343234344214213), we get a palindrome (655646787646556).

The spelling of 312412443432343 in words is "three hundred twelve trillion, four hundred twelve billion, four hundred forty-three million, four hundred thirty-two thousand, three hundred forty-three".