243430012055 has 8 divisors (see below), whose sum is σ = 300011042112. Its totient is φ = 189480657888.

The previous prime is 243430012051. The next prime is 243430012057. The reversal of 243430012055 is 550210034342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243430012055 - 2² = 243430012051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243430012051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657918767 + ... + 657919136.

It is an arithmetic number, because the mean of its divisors is an integer number (37501380264).

Almost surely, 2^243430012055 is an apocalyptic number.

243430012055 is a deficient number, since it is larger than the sum of its proper divisors (56581030057).

243430012055 is a wasteful number, since it uses less digits than its factorization.

243430012055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315837945.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 243430012055 its reverse (550210034342), we get a palindrome (793640046397).

The spelling of 243430012055 in words is "two hundred forty-three billion, four hundred thirty million, twelve thousand, fifty-five".