43310023243 has 4 divisors (see below), whose sum is σ = 43446648240. Its totient is φ = 43173398248.

The previous prime is 43310023199. The next prime is 43310023261. The reversal of 43310023243 is 34232001334.

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 43310023243 - 2⁹ = 43310022731 is a prime.

It is a super-2 number, since 2×43310023243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43310023943) 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, 68312023 + ... + 68312656.

It is an arithmetic number, because the mean of its divisors is an integer number (10861662060).

Almost surely, 2^43310023243 is an apocalyptic number.

43310023243 is a deficient number, since it is larger than the sum of its proper divisors (136624997).

43310023243 is a wasteful number, since it uses less digits than its factorization.

43310023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136624996.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 43310023243 its reverse (34232001334), we get a palindrome (77542024577).

The spelling of 43310023243 in words is "forty-three billion, three hundred ten million, twenty-three thousand, two hundred forty-three".