243203046 has 8 divisors (see below), whose sum is σ = 486406104. Its totient is φ = 81067680.

The previous prime is 243203041. The next prime is 243203053. The reversal of 243203046 is 640302342.

It is a happy number.

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

243203046 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243203041) 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, 20266915 + ... + 20266926.

It is an arithmetic number, because the mean of its divisors is an integer number (60800763).

Almost surely, 2^243203046 is an apocalyptic number.

243203046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243203046 is a wasteful number, since it uses less digits than its factorization.

243203046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40533846.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 243203046 is about 15594.9686117029. The cubic root of 243203046 is about 624.1989062234.

Adding to 243203046 its reverse (640302342), we get a palindrome (883505388).

The spelling of 243203046 in words is "two hundred forty-three million, two hundred three thousand, forty-six".