243241140342 has 16 divisors (see below), whose sum is σ = 507633684480. Its totient is φ = 77555146152.

The previous prime is 243241140271. The next prime is 243241140347. The reversal of 243241140342 is 243041142342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243241140347) 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, 881308342 + ... + 881308617.

It is an arithmetic number, because the mean of its divisors is an integer number (31727105280).

Almost surely, 2^243241140342 is an apocalyptic number.

243241140342 is an abundant number, since it is smaller than the sum of its proper divisors (264392544138).

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

243241140342 is a wasteful number, since it uses less digits than its factorization.

243241140342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762616987.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 243241140342 its reverse (243041142342), we get a palindrome (486282282684).

The spelling of 243241140342 in words is "two hundred forty-three billion, two hundred forty-one million, one hundred forty thousand, three hundred forty-two".