243204100401 has 8 divisors (see below), whose sum is σ = 343346965344. Its totient is φ = 152598651200.

The previous prime is 243204100361. The next prime is 243204100417. The reversal of 243204100401 is 104001402342.

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 243204100401 - 2⁹ = 243204099889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243204100471) 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, 2384353875 + ... + 2384353976.

It is an arithmetic number, because the mean of its divisors is an integer number (42918370668).

Almost surely, 2^243204100401 is an apocalyptic number.

It is an amenable number.

243204100401 is a deficient number, since it is larger than the sum of its proper divisors (100142864943).

243204100401 is a wasteful number, since it uses less digits than its factorization.

243204100401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768707871.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 243204100401 its reverse (104001402342), we get a palindrome (347205502743).

The spelling of 243204100401 in words is "two hundred forty-three billion, two hundred four million, one hundred thousand, four hundred one".