243430361 has 8 divisors (see below), whose sum is σ = 258474240. Its totient is φ = 228467008.

The previous prime is 243430349. The next prime is 243430373. The reversal of 243430361 is 163034342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243430349) and next prime (243430373).

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 243430361 - 2¹⁴ = 243413977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243430361.

It is not an unprimeable number, because it can be changed into a prime (243430391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13841 + ... + 26046.

It is an arithmetic number, because the mean of its divisors is an integer number (32309280).

Almost surely, 2^243430361 is an apocalyptic number.

It is an amenable number.

243430361 is a deficient number, since it is larger than the sum of its proper divisors (15043879).

243430361 is a wasteful number, since it uses less digits than its factorization.

243430361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40263.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 243430361 is about 15602.2549972752. The cubic root of 243430361 is about 624.3933193456.

The spelling of 243430361 in words is "two hundred forty-three million, four hundred thirty thousand, three hundred sixty-one".