43243130243 has 4 divisors (see below), whose sum is σ = 43246876440. Its totient is φ = 43239384048.

The previous prime is 43243130219. The next prime is 43243130257. The reversal of 43243130243 is 34203134234.

43243130243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43243130243 - 2⁶ = 43243130179 is a prime.

It is a super-2 number, since 2×43243130243² (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 (43243130263) 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, 1855730 + ... + 1878887.

It is an arithmetic number, because the mean of its divisors is an integer number (10811719110).

Almost surely, 2^43243130243 is an apocalyptic number.

43243130243 is a deficient number, since it is larger than the sum of its proper divisors (3746197).

43243130243 is a wasteful number, since it uses less digits than its factorization.

43243130243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746196.

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

Adding to 43243130243 its reverse (34203134234), we get a palindrome (77446264477).

The spelling of 43243130243 in words is "forty-three billion, two hundred forty-three million, one hundred thirty thousand, two hundred forty-three".