43243334243 has 4 divisors (see below), whose sum is σ = 43295878608. Its totient is φ = 43190789880.

The previous prime is 43243334237. The next prime is 43243334249. The reversal of 43243334243 is 34243334234.

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

It is an interprime number because it is at equal distance from previous prime (43243334237) and next prime (43243334249).

It is a cyclic number.

It is not a de Polignac number, because 43243334243 - 2⁶ = 43243334179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43243334249) 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, 26270948 + ... + 26272593.

It is an arithmetic number, because the mean of its divisors is an integer number (10823969652).

Almost surely, 2^43243334243 is an apocalyptic number.

43243334243 is a deficient number, since it is larger than the sum of its proper divisors (52544365).

43243334243 is an equidigital number, since it uses as much as digits as its factorization.

43243334243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52544364.

The product of its digits is 248832, while the sum is 35.

Adding to 43243334243 its reverse (34243334234), we get a palindrome (77486668477).

Subtracting from 43243334243 its reverse (34243334234), we obtain a palindrome (9000000009).

The spelling of 43243334243 in words is "forty-three billion, two hundred forty-three million, three hundred thirty-four thousand, two hundred forty-three".