243320014 has 32 divisors (see below), whose sum is σ = 448277760. Its totient is φ = 96674688.

The previous prime is 243319991. The next prime is 243320017. The reversal of 243320014 is 410023342.

It is a junction number, because it is equal to n+sod(n) for n = 243319973 and 243320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243320017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8317 + ... + 23575.

It is an arithmetic number, because the mean of its divisors is an integer number (14008680).

Almost surely, 2^243320014 is an apocalyptic number.

243320014 is a deficient number, since it is larger than the sum of its proper divisors (204957746).

243320014 is a wasteful number, since it uses less digits than its factorization.

243320014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15352.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 243320014 is about 15598.7183447872. The cubic root of 243320014 is about 624.2989592410.

Adding to 243320014 its reverse (410023342), we get a palindrome (653343356).

The spelling of 243320014 in words is "two hundred forty-three million, three hundred twenty thousand, fourteen".