243023673 has 8 divisors (see below), whose sum is σ = 328868128. Its totient is φ = 159597504.

The previous prime is 243023657. The next prime is 243023701. The reversal of 243023673 is 376320342.

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

It is not a de Polignac number, because 243023673 - 2⁴ = 243023657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243023673.

It is not an unprimeable number, because it can be changed into a prime (243023633) 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, 604336 + ... + 604737.

It is an arithmetic number, because the mean of its divisors is an integer number (41108516).

Almost surely, 2^243023673 is an apocalyptic number.

It is an amenable number.

243023673 is a deficient number, since it is larger than the sum of its proper divisors (85844455).

243023673 is a wasteful number, since it uses less digits than its factorization.

243023673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209143.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 243023673 is about 15589.2165614568. The cubic root of 243023673 is about 624.0454103828.

The spelling of 243023673 in words is "two hundred forty-three million, twenty-three thousand, six hundred seventy-three".