243124401340 has 48 divisors (see below), whose sum is σ = 514981656000. Its totient is φ = 96411313152.

The previous prime is 243124401283. The next prime is 243124401361. The reversal of 243124401340 is 43104421342.

It is a junction number, because it is equal to n+sod(n) for n = 243124401299 and 243124401308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992196 + ... + 1212724.

It is an arithmetic number, because the mean of its divisors is an integer number (10728784500).

Almost surely, 2^243124401340 is an apocalyptic number.

243124401340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243124401340 is an abundant number, since it is smaller than the sum of its proper divisors (271857254660).

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

243124401340 is a wasteful number, since it uses less digits than its factorization.

243124401340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221014 (or 221012 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 243124401340 its reverse (43104421342), we get a palindrome (286228822682).

The spelling of 243124401340 in words is "two hundred forty-three billion, one hundred twenty-four million, four hundred one thousand, three hundred forty".