243023728331351 has 16 divisors (see below), whose sum is σ = 271346603763840. Its totient is φ = 215741590132320.

The previous prime is 243023728331339. The next prime is 243023728331441. The reversal of 243023728331351 is 153133827320342.

It is a cyclic number.

It is not a de Polignac number, because 243023728331351 - 2⁶ = 243023728331287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243023728331296 and 243023728331305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243023728031351) 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 15 ways as a sum of consecutive naturals, for example, 58894700 + ... + 62885873.

It is an arithmetic number, because the mean of its divisors is an integer number (16959162735240).

Almost surely, 2^{243023728331351} is an apocalyptic number.

243023728331351 is a deficient number, since it is larger than the sum of its proper divisors (28322875432489).

243023728331351 is a wasteful number, since it uses less digits than its factorization.

243023728331351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121784846.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 243023728331351 in words is "two hundred forty-three trillion, twenty-three billion, seven hundred twenty-eight million, three hundred thirty-one thousand, three hundred fifty-one".