243235364 has 6 divisors (see below), whose sum is σ = 425661894. Its totient is φ = 121617680.

The previous prime is 243235361. The next prime is 243235367. The reversal of 243235364 is 463532342.

It is an interprime number because it is at equal distance from previous prime (243235361) and next prime (243235367).

It can be written as a sum of positive squares in only one way, i.e., 182520100 + 60715264 = 13510^2 + 7792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243235364.

It is not an unprimeable number, because it can be changed into a prime (243235361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30404417 + ... + 30404424.

It is an arithmetic number, because the mean of its divisors is an integer number (70943649).

Almost surely, 2^243235364 is an apocalyptic number.

It is an amenable number.

243235364 is a deficient number, since it is larger than the sum of its proper divisors (182426530).

243235364 is a wasteful number, since it uses less digits than its factorization.

243235364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60808845 (or 60808843 counting only the distinct ones).

The product of its digits is 51840, while the sum is 32.

The square root of 243235364 is about 15596.0047448056. The cubic root of 243235364 is about 624.2265538579.

The spelling of 243235364 in words is "two hundred forty-three million, two hundred thirty-five thousand, three hundred sixty-four".