243142423112 has 16 divisors (see below), whose sum is σ = 456309161340. Its totient is φ = 121459980096.

The previous prime is 243142423091. The next prime is 243142423127. The reversal of 243142423112 is 211324241342.

It can be written as a sum of positive squares in 2 ways, for example, as 233012805796 + 10129617316 = 482714^2 + 100646^2 .

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, 13894643 + ... + 13912130.

Almost surely, 2^243142423112 is an apocalyptic number.

It is an amenable number.

243142423112 is a deficient number, since it is larger than the sum of its proper divisors (213166738228).

243142423112 is a wasteful number, since it uses less digits than its factorization.

243142423112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27807872 (or 27807868 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 243142423112 its reverse (211324241342), we get a palindrome (454466664454).

The spelling of 243142423112 in words is "two hundred forty-three billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred twelve".