243201132305 has 8 divisors (see below), whose sum is σ = 307201430400. Its totient is φ = 184320858096.

The previous prime is 243201132301. The next prime is 243201132323. The reversal of 243201132305 is 503231102342.

It is a happy number.

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 243201132305 - 2² = 243201132301 is a prime.

It is a super-2 number, since 2×243201132305² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243201132301) 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, 1280005865 + ... + 1280006054.

It is an arithmetic number, because the mean of its divisors is an integer number (38400178800).

Almost surely, 2^243201132305 is an apocalyptic number.

It is an amenable number.

243201132305 is a deficient number, since it is larger than the sum of its proper divisors (64000298095).

243201132305 is a wasteful number, since it uses less digits than its factorization.

243201132305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560011943.

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

Adding to 243201132305 its reverse (503231102342), we get a palindrome (746432234647).

The spelling of 243201132305 in words is "two hundred forty-three billion, two hundred one million, one hundred thirty-two thousand, three hundred five".