243030531240143 has 8 divisors (see below), whose sum is σ = 243055504568016. Its totient is φ = 243005559192000.

The previous prime is 243030531240127. The next prime is 243030531240151. The reversal of 243030531240143 is 341042135030342.

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

It is a cyclic number.

It is not a de Polignac number, because 243030531240143 - 2⁴ = 243030531240127 is a prime.

It is a super-2 number, since 2×243030531240143² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243030531240173) 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, 405535403 + ... + 406134243.

It is an arithmetic number, because the mean of its divisors is an integer number (30381938071002).

Almost surely, 2^{243030531240143} is an apocalyptic number.

243030531240143 is a deficient number, since it is larger than the sum of its proper divisors (24973327873).

243030531240143 is a wasteful number, since it uses less digits than its factorization.

243030531240143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639865.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 243030531240143 its reverse (341042135030342), we get a palindrome (584072666270485).

The spelling of 243030531240143 in words is "two hundred forty-three trillion, thirty billion, five hundred thirty-one million, two hundred forty thousand, one hundred forty-three".