243142030235 has 16 divisors (see below), whose sum is σ = 314286146496. Its totient is φ = 179509991808.

The previous prime is 243142030193. The next prime is 243142030247. The reversal of 243142030235 is 532030241342.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 243142030235 - 2¹⁰ = 243142029211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243142030198 and 243142030207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139559 + ... + 711168.

It is an arithmetic number, because the mean of its divisors is an integer number (19642884156).

Almost surely, 2^243142030235 is an apocalyptic number.

243142030235 is a deficient number, since it is larger than the sum of its proper divisors (71144116261).

243142030235 is a wasteful number, since it uses less digits than its factorization.

243142030235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855142.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 243142030235 its reverse (532030241342), we get a palindrome (775172271577).

The spelling of 243142030235 in words is "two hundred forty-three billion, one hundred forty-two million, thirty thousand, two hundred thirty-five".