4243233242340 has 72 divisors (see below), whose sum is σ = 12871320815808. Its totient is φ = 1131513042240.

The previous prime is 4243233242317. The next prime is 4243233242341. The reversal of 4243233242340 is 432423323424.

4243233242340 is a `hidden beast` number, since 4 + 2 + 4 + 323 + 324 + 2 + 3 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4243233242295 and 4243233242304.

It is not an unprimeable number, because it can be changed into a prime (4243233242341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18768009 + ... + 18992751.

It is an arithmetic number, because the mean of its divisors is an integer number (178768344664).

Almost surely, 2^{4243233242340} is an apocalyptic number.

It is an amenable number.

4243233242340 is an abundant number, since it is smaller than the sum of its proper divisors (8628087573468).

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

4243233242340 is a wasteful number, since it uses less digits than its factorization.

4243233242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329649 (or 329644 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 4243233242340 its reverse (432423323424), we get a palindrome (4675656565764).

It can be divided in two parts, 424323 and 3242340, that added together give a palindrome (3666663).

The spelling of 4243233242340 in words is "four trillion, two hundred forty-three billion, two hundred thirty-three million, two hundred forty-two thousand, three hundred forty".