204144342043 has 4 divisors (see below), whose sum is σ = 204154846048. Its totient is φ = 204133838040.

The previous prime is 204144342041. The next prime is 204144342047. The reversal of 204144342043 is 340243441402.

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 204144342043 - 2¹ = 204144342041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204144341996 and 204144342014.

It is not an unprimeable number, because it can be changed into a prime (204144342041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5222796 + ... + 5261737.

It is an arithmetic number, because the mean of its divisors is an integer number (51038711512).

Almost surely, 2^204144342043 is an apocalyptic number.

204144342043 is a deficient number, since it is larger than the sum of its proper divisors (10504005).

204144342043 is a wasteful number, since it uses less digits than its factorization.

204144342043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504004.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 204144342043 its reverse (340243441402), we get a palindrome (544387783445).

The spelling of 204144342043 in words is "two hundred four billion, one hundred forty-four million, three hundred forty-two thousand, forty-three".