243142030234 has 8 divisors (see below), whose sum is σ = 368324065908. Its totient is φ = 120367341600.

The previous prime is 243142030193. The next prime is 243142030247. The reversal of 243142030234 is 432030241342.

It can be written as a sum of positive squares in 2 ways, for example, as 148768347025 + 94373683209 = 385705^2 + 307203^2 .

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

It is a super-2 number, since 2×243142030234² (a number of 24 digits) contains 22 as substring.

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, 601836507 + ... + 601836910.

Almost surely, 2^243142030234 is an apocalyptic number.

243142030234 is a deficient number, since it is larger than the sum of its proper divisors (125182035674).

243142030234 is a wasteful number, since it uses less digits than its factorization.

243142030234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203673520.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243142030234 its reverse (432030241342), we get a palindrome (675172271576).

The spelling of 243142030234 in words is "two hundred forty-three billion, one hundred forty-two million, thirty thousand, two hundred thirty-four".