243230651 has 8 divisors (see below), whose sum is σ = 246590400. Its totient is φ = 239878080.

The previous prime is 243230599. The next prime is 243230683. The reversal of 243230651 is 156032342.

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 243230651 - 2¹⁴ = 243214267 is a prime.

It is a super-2 number, since 2×243230651² = 118322299171767602, which contains 22 as substring.

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 243230651.

It is not an unprimeable number, because it can be changed into a prime (243230051) 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, 135065 + ... + 136853.

It is an arithmetic number, because the mean of its divisors is an integer number (30823800).

Almost surely, 2^243230651 is an apocalyptic number.

243230651 is a deficient number, since it is larger than the sum of its proper divisors (3359749).

243230651 is a wasteful number, since it uses less digits than its factorization.

243230651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 243230651 is about 15595.8536476847. The cubic root of 243230651 is about 624.2225220994. Note that the first 3 decimals are identical.

Adding to 243230651 its reverse (156032342), we get a palindrome (399262993).

The spelling of 243230651 in words is "two hundred forty-three million, two hundred thirty thousand, six hundred fifty-one".