243316473 has 8 divisors (see below), whose sum is σ = 326069568. Its totient is φ = 161387184.

The previous prime is 243316433. The next prime is 243316487. The reversal of 243316473 is 374613342.

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

It is not a de Polignac number, because 243316473 - 2¹⁴ = 243300089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243316433) 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, 205261 + ... + 206442.

It is an arithmetic number, because the mean of its divisors is an integer number (40758696).

Almost surely, 2^243316473 is an apocalyptic number.

It is an amenable number.

243316473 is a deficient number, since it is larger than the sum of its proper divisors (82753095).

243316473 is a wasteful number, since it uses less digits than its factorization.

243316473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411903.

The product of its digits is 36288, while the sum is 33.

The square root of 243316473 is about 15598.6048414594. The cubic root of 243316473 is about 624.2959307830.

The spelling of 243316473 in words is "two hundred forty-three million, three hundred sixteen thousand, four hundred seventy-three".