243124403340 has 192 divisors, whose sum is σ = 860489247744. Its totient is φ = 49910141952.

The previous prime is 243124403339. The next prime is 243124403363. The reversal of 243124403340 is 43304421342.

It is a happy number.

243124403340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 243124403298 and 243124403307.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 399714 + ... + 803753.

It is an arithmetic number, because the mean of its divisors is an integer number (4481714832).

Almost surely, 2^243124403340 is an apocalyptic number.

243124403340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243124403340 is an abundant number, since it is smaller than the sum of its proper divisors (617364844404).

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

243124403340 is a wasteful number, since it uses less digits than its factorization.

243124403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203536 (or 1203534 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243124403340 its reverse (43304421342), we get a palindrome (286428824682).

The spelling of 243124403340 in words is "two hundred forty-three billion, one hundred twenty-four million, four hundred three thousand, three hundred forty".