204423414044011 has 4 divisors (see below), whose sum is σ = 206333913240792. Its totient is φ = 202512914847232.

The previous prime is 204423414043997. The next prime is 204423414044051. The reversal of 204423414044011 is 110440414324402.

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 204423414044011 - 2³⁷ = 204285975090539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204423414044051) 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, 955249598230 + ... + 955249598443.

It is an arithmetic number, because the mean of its divisors is an integer number (51583478310198).

Almost surely, 2^{204423414044011} is an apocalyptic number.

204423414044011 is a deficient number, since it is larger than the sum of its proper divisors (1910499196781).

204423414044011 is a wasteful number, since it uses less digits than its factorization.

204423414044011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910499196780.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 204423414044011 its reverse (110440414324402), we get a palindrome (314863828368413).

The spelling of 204423414044011 in words is "two hundred four trillion, four hundred twenty-three billion, four hundred fourteen million, forty-four thousand, eleven".