243424140243 has 8 divisors (see below), whose sum is σ = 327911557008. Its totient is φ = 160609741824.

The previous prime is 243424140181. The next prime is 243424140277. The reversal of 243424140243 is 342041424342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243424140243 - 2¹³ = 243424132051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243424140943) 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, 418254246 + ... + 418254827.

It is an arithmetic number, because the mean of its divisors is an integer number (40988944626).

Almost surely, 2^243424140243 is an apocalyptic number.

243424140243 is a deficient number, since it is larger than the sum of its proper divisors (84487416765).

243424140243 is an equidigital number, since it uses as much as digits as its factorization.

243424140243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836509173.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 243424140243 its reverse (342041424342), we get a palindrome (585465564585).

The spelling of 243424140243 in words is "two hundred forty-three billion, four hundred twenty-four million, one hundred forty thousand, two hundred forty-three".