204101243 has 8 divisors (see below), whose sum is σ = 206388000. Its totient is φ = 201827008.

The previous prime is 204101231. The next prime is 204101267. The reversal of 204101243 is 342101402.

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 204101243 - 2⁸ = 204100987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204101203) 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, 31778 + ... + 37656.

It is an arithmetic number, because the mean of its divisors is an integer number (25798500).

Almost surely, 2^204101243 is an apocalyptic number.

204101243 is a deficient number, since it is larger than the sum of its proper divisors (2286757).

204101243 is a wasteful number, since it uses less digits than its factorization.

204101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204101243 is about 14286.4006313697. The cubic root of 204101243 is about 588.7739001872.

Adding to 204101243 its reverse (342101402), we get a palindrome (546202645).

The spelling of 204101243 in words is "two hundred four million, one hundred one thousand, two hundred forty-three".