312424223443 has 16 divisors (see below), whose sum is σ = 316895436000. Its totient is φ = 307981900800.

The previous prime is 312424223431. The next prime is 312424223497. The reversal of 312424223443 is 344322424213.

It is a cyclic number.

It is not a de Polignac number, because 312424223443 - 2¹⁷ = 312424092371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312424223399 and 312424223408.

It is not an unprimeable number, because it can be changed into a prime (312424224443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40841283 + ... + 40848931.

It is an arithmetic number, because the mean of its divisors is an integer number (19805964750).

Almost surely, 2^312424223443 is an apocalyptic number.

312424223443 is a deficient number, since it is larger than the sum of its proper divisors (4471212557).

312424223443 is a wasteful number, since it uses less digits than its factorization.

312424223443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462.

The product of its digits is 110592, while the sum is 34.

Adding to 312424223443 its reverse (344322424213), we get a palindrome (656746647656).

The spelling of 312424223443 in words is "three hundred twelve billion, four hundred twenty-four million, two hundred twenty-three thousand, four hundred forty-three".