243016673 has 4 divisors (see below), whose sum is σ = 243188400. Its totient is φ = 242844948.

The previous prime is 243016667. The next prime is 243016679. The reversal of 243016673 is 376610342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (243016667) and next prime (243016679).

It is a cyclic number.

It is not a de Polignac number, because 243016673 - 2¹⁰ = 243015649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243016679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83723 + ... + 86576.

It is an arithmetic number, because the mean of its divisors is an integer number (60797100).

Almost surely, 2^243016673 is an apocalyptic number.

It is an amenable number.

243016673 is a deficient number, since it is larger than the sum of its proper divisors (171727).

243016673 is a wasteful number, since it uses less digits than its factorization.

243016673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171726.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 243016673 is about 15588.9920456712. The cubic root of 243016673 is about 624.0394187034.

The spelling of 243016673 in words is "two hundred forty-three million, sixteen thousand, six hundred seventy-three".