43041000243 has 4 divisors (see below), whose sum is σ = 57388000328. Its totient is φ = 28694000160.

The previous prime is 43041000221. The next prime is 43041000281. The reversal of 43041000243 is 34200014034.

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

It is not a de Polignac number, because 43041000243 - 2⁸ = 43040999987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43041000293) 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, 7173500038 + ... + 7173500043.

It is an arithmetic number, because the mean of its divisors is an integer number (14347000082).

Almost surely, 2^43041000243 is an apocalyptic number.

43041000243 is a deficient number, since it is larger than the sum of its proper divisors (14347000085).

43041000243 is a wasteful number, since it uses less digits than its factorization.

43041000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14347000084.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 43041000243 its reverse (34200014034), we get a palindrome (77241014277).

The spelling of 43041000243 in words is "forty-three billion, forty-one million, two hundred forty-three", and thus it is an aban number.