204240223113203 has 4 divisors (see below), whose sum is σ = 204240539519088. Its totient is φ = 204239906707320.

The previous prime is 204240223113197. The next prime is 204240223113211. The reversal of 204240223113203 is 302311322042402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204240223113203 - 2⁴ = 204240223113187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204240223119203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157232708 + ... + 158526353.

It is an arithmetic number, because the mean of its divisors is an integer number (51060134879772).

Almost surely, 2^{204240223113203} is an apocalyptic number.

204240223113203 is a deficient number, since it is larger than the sum of its proper divisors (316405885).

204240223113203 is an equidigital number, since it uses as much as digits as its factorization.

204240223113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316405884.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 204240223113203 its reverse (302311322042402), we get a palindrome (506551545155605).

The spelling of 204240223113203 in words is "two hundred four trillion, two hundred forty billion, two hundred twenty-three million, one hundred thirteen thousand, two hundred three".