243120634241351 has 16 divisors (see below), whose sum is σ = 262202139819360. Its totient is φ = 224586337044480.

The previous prime is 243120634241281. The next prime is 243120634241393. The reversal of 243120634241351 is 153142436021342.

It is a cyclic number.

It is not a de Polignac number, because 243120634241351 - 2³⁴ = 243103454372167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243120634241299 and 243120634241308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243120634241851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250528706 + ... + 251497263.

It is an arithmetic number, because the mean of its divisors is an integer number (16387633738710).

Almost surely, 2^{243120634241351} is an apocalyptic number.

243120634241351 is a deficient number, since it is larger than the sum of its proper divisors (19081505578009).

243120634241351 is a wasteful number, since it uses less digits than its factorization.

243120634241351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502026514.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 243120634241351 in words is "two hundred forty-three trillion, one hundred twenty billion, six hundred thirty-four million, two hundred forty-one thousand, three hundred fifty-one".