4243312433 has 4 divisors (see below), whose sum is σ = 4287058020. Its totient is φ = 4199566848.

The previous prime is 4243312417. The next prime is 4243312499. The reversal of 4243312433 is 3342133424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3213415969 + 1029896464 = 56687^2 + 32092^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243312433 - 2⁴ = 4243312417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4243312396 and 4243312405.

It is not an unprimeable number, because it can be changed into a prime (4243312933) 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, 21872648 + ... + 21872841.

It is an arithmetic number, because the mean of its divisors is an integer number (1071764505).

Almost surely, 2^4243312433 is an apocalyptic number.

It is an amenable number.

4243312433 is a deficient number, since it is larger than the sum of its proper divisors (43745587).

4243312433 is an equidigital number, since it uses as much as digits as its factorization.

4243312433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43745586.

The product of its digits is 20736, while the sum is 29.

The square root of 4243312433 is about 65140.7125613468. The cubic root of 4243312433 is about 1618.9558420269.

Adding to 4243312433 its reverse (3342133424), we get a palindrome (7585445857).

The spelling of 4243312433 in words is "four billion, two hundred forty-three million, three hundred twelve thousand, four hundred thirty-three".