243001034340 has 48 divisors (see below), whose sum is σ = 689015604480. Its totient is φ = 63980017920.

The previous prime is 243001034321. The next prime is 243001034357. The reversal of 243001034340 is 43430100342.

It is a self number, because there is not a number n which added to its sum of digits gives 243001034340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25628281 + ... + 25637760.

It is an arithmetic number, because the mean of its divisors is an integer number (14354491760).

Almost surely, 2^243001034340 is an apocalyptic number.

243001034340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243001034340 is an abundant number, since it is smaller than the sum of its proper divisors (446014570140).

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

243001034340 is a wasteful number, since it uses less digits than its factorization.

243001034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51266132 (or 51266130 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 243001034340 its reverse (43430100342), we get a palindrome (286431134682).

The spelling of 243001034340 in words is "two hundred forty-three billion, one million, thirty-four thousand, three hundred forty".