243234533983 has 8 divisors (see below), whose sum is σ = 290068512768. Its totient is φ = 199422102264.

The previous prime is 243234533957. The next prime is 243234534007. The reversal of 243234533983 is 389335432342.

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

It is not a de Polignac number, because 243234533983 - 2⁹ = 243234533471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243234533383) 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, 755386591 + ... + 755386912.

It is an arithmetic number, because the mean of its divisors is an integer number (36258564096).

Almost surely, 2^243234533983 is an apocalyptic number.

243234533983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

243234533983 is a deficient number, since it is larger than the sum of its proper divisors (46833978785).

243234533983 is a wasteful number, since it uses less digits than its factorization.

243234533983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510773533.

The product of its digits is 5598720, while the sum is 49.

The spelling of 243234533983 in words is "two hundred forty-three billion, two hundred thirty-four million, five hundred thirty-three thousand, nine hundred eighty-three".