243234040135524 has 48 divisors (see below), whose sum is σ = 573185444635776. Its totient is φ = 80272448064000.

The previous prime is 243234040135519. The next prime is 243234040135529. The reversal of 243234040135524 is 425531040432342.

It is an interprime number because it is at equal distance from previous prime (243234040135519) and next prime (243234040135529).

It is not an unprimeable number, because it can be changed into a prime (243234040135529) 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, 31230729 + ... + 38233839.

It is an arithmetic number, because the mean of its divisors is an integer number (11941363429912).

Almost surely, 2^{243234040135524} is an apocalyptic number.

It is an amenable number.

243234040135524 is an abundant number, since it is smaller than the sum of its proper divisors (329951404500252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243234040135524 is a wasteful number, since it uses less digits than its factorization.

243234040135524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031876 (or 7031874 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 243234040135524 its reverse (425531040432342), we get a palindrome (668765080567866).

The spelling of 243234040135524 in words is "two hundred forty-three trillion, two hundred thirty-four billion, forty million, one hundred thirty-five thousand, five hundred twenty-four".