243013055043 has 32 divisors (see below), whose sum is σ = 354557428992. Its totient is φ = 146829571200.

The previous prime is 243013055011. The next prime is 243013055083. The reversal of 243013055043 is 340550310342.

It is not a de Polignac number, because 243013055043 - 2⁵ = 243013055011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243013055043.

It is not an unprimeable number, because it can be changed into a prime (243013055083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20182821 + ... + 20194857.

It is an arithmetic number, because the mean of its divisors is an integer number (11079919656).

Almost surely, 2^243013055043 is an apocalyptic number.

243013055043 is a deficient number, since it is larger than the sum of its proper divisors (111544373949).

243013055043 is a wasteful number, since it uses less digits than its factorization.

243013055043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13875.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 243013055043 its reverse (340550310342), we get a palindrome (583563365385).

The spelling of 243013055043 in words is "two hundred forty-three billion, thirteen million, fifty-five thousand, forty-three".