243120154323346 has 8 divisors (see below), whose sum is σ = 371560990569804. Its totient is φ = 119266490800080.

The previous prime is 243120154323311. The next prime is 243120154323407. The reversal of 243120154323346 is 643323451021342.

It can be written as a sum of positive squares in 2 ways, for example, as 220203014099121 + 22917140224225 = 14839239^2 + 4787185^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146793180665 + ... + 1146793180876.

Almost surely, 2^{243120154323346} is an apocalyptic number.

243120154323346 is a deficient number, since it is larger than the sum of its proper divisors (128440836246458).

243120154323346 is a wasteful number, since it uses less digits than its factorization.

243120154323346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293586361596.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 243120154323346 in words is "two hundred forty-three trillion, one hundred twenty billion, one hundred fifty-four million, three hundred twenty-three thousand, three hundred forty-six".