243234720413673 has 8 divisors (see below), whose sum is σ = 324386317945536. Its totient is φ = 162119801578800.

The previous prime is 243234720413627. The next prime is 243234720413693. The reversal of 243234720413673 is 376314027432342.

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

It is not a de Polignac number, because 243234720413673 - 2⁶ = 243234720413609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243234720413693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9169658773 + ... + 9169685298.

It is an arithmetic number, because the mean of its divisors is an integer number (40548289743192).

Almost surely, 2^{243234720413673} is an apocalyptic number.

It is an amenable number.

243234720413673 is a deficient number, since it is larger than the sum of its proper divisors (81151597531863).

243234720413673 is a wasteful number, since it uses less digits than its factorization.

243234720413673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18339348495.

The product of its (nonzero) digits is 12192768, while the sum is 51.

The spelling of 243234720413673 in words is "two hundred forty-three trillion, two hundred thirty-four billion, seven hundred twenty million, four hundred thirteen thousand, six hundred seventy-three".