4343440243 has 4 divisors (see below), whose sum is σ = 4368547008. Its totient is φ = 4318333480.

The previous prime is 4343440237. The next prime is 4343440271. The reversal of 4343440243 is 3420443434.

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 4343440243 - 2¹⁷ = 4343309171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4343440273) 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, 12553123 + ... + 12553468.

It is an arithmetic number, because the mean of its divisors is an integer number (1092136752).

Almost surely, 2^4343440243 is an apocalyptic number.

4343440243 is a deficient number, since it is larger than the sum of its proper divisors (25106765).

4343440243 is a wasteful number, since it uses less digits than its factorization.

4343440243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25106764.

The product of its (nonzero) digits is 55296, while the sum is 31.

The square root of 4343440243 is about 65904.7816398780. The cubic root of 4343440243 is about 1631.5909345512.

Adding to 4343440243 its reverse (3420443434), we get a palindrome (7763883677).

The spelling of 4343440243 in words is "four billion, three hundred forty-three million, four hundred forty thousand, two hundred forty-three".