243234423512 has 32 divisors (see below), whose sum is σ = 458687156400. Its totient is φ = 120918071424.

The previous prime is 243234423511. The next prime is 243234423527. The reversal of 243234423512 is 215324432342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243234423511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13126478 + ... + 13144994.

Almost surely, 2^243234423512 is an apocalyptic number.

It is an amenable number.

243234423512 is a deficient number, since it is larger than the sum of its proper divisors (215452732888).

243234423512 is a wasteful number, since it uses less digits than its factorization.

243234423512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27875 (or 27871 counting only the distinct ones).

The product of its digits is 138240, while the sum is 35.

Adding to 243234423512 its reverse (215324432342), we get a palindrome (458558855854).

The spelling of 243234423512 in words is "two hundred forty-three billion, two hundred thirty-four million, four hundred twenty-three thousand, five hundred twelve".