243429473 has 8 divisors (see below), whose sum is σ = 278473920. Its totient is φ = 208452240.

The previous prime is 243429469. The next prime is 243429499. The reversal of 243429473 is 374924342.

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 243429473 - 2² = 243429469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243429413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8783 + ... + 23748.

It is an arithmetic number, because the mean of its divisors is an integer number (34809240).

Almost surely, 2^243429473 is an apocalyptic number.

It is an amenable number.

243429473 is a deficient number, since it is larger than the sum of its proper divisors (35044447).

243429473 is a wasteful number, since it uses less digits than its factorization.

243429473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33607.

The product of its digits is 145152, while the sum is 38.

The square root of 243429473 is about 15602.2265398244. The cubic root of 243429473 is about 624.3925601114.

The spelling of 243429473 in words is "two hundred forty-three million, four hundred twenty-nine thousand, four hundred seventy-three".