312312443 has 8 divisors (see below), whose sum is σ = 329295120. Its totient is φ = 295384320.

The previous prime is 312312439. The next prime is 312312463. The reversal of 312312443 is 344213213.

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

It is a cyclic number.

It is not a de Polignac number, because 312312443 - 2² = 312312439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312312433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598 + ... + 25043.

It is an arithmetic number, because the mean of its divisors is an integer number (41161890).

Almost surely, 2^312312443 is an apocalyptic number.

312312443 is a deficient number, since it is larger than the sum of its proper divisors (16982677).

312312443 is a wasteful number, since it uses less digits than its factorization.

312312443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27277.

The product of its digits is 1728, while the sum is 23.

The square root of 312312443 is about 17672.3638203835. The cubic root of 312312443 is about 678.4686148390.

Adding to 312312443 its reverse (344213213), we get a palindrome (656525656).

The spelling of 312312443 in words is "three hundred twelve million, three hundred twelve thousand, four hundred forty-three".