243320010 has 16 divisors (see below), whose sum is σ = 583968096. Its totient is φ = 64885328.

The previous prime is 243319991. The next prime is 243320017. The reversal of 243320010 is 10023342.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (243320017) 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, 4055304 + ... + 4055363.

It is an arithmetic number, because the mean of its divisors is an integer number (36498006).

Almost surely, 2^243320010 is an apocalyptic number.

243320010 is an abundant number, since it is smaller than the sum of its proper divisors (340648086).

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

243320010 is a wasteful number, since it uses less digits than its factorization.

243320010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110677.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 243320010 is about 15598.7182165715. The cubic root of 243320010 is about 624.2989558200.

Adding to 243320010 its reverse (10023342), we get a palindrome (253343352).

The spelling of 243320010 in words is "two hundred forty-three million, three hundred twenty thousand, ten".