204142215223 has 4 divisors (see below), whose sum is σ = 214886542360. Its totient is φ = 193397888088.

The previous prime is 204142215187. The next prime is 204142215227. The reversal of 204142215223 is 322512241402.

204142215223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204142215223 - 2²⁹ = 203605344311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204142215191 and 204142215200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204142215227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5372163540 + ... + 5372163577.

It is an arithmetic number, because the mean of its divisors is an integer number (53721635590).

Almost surely, 2^204142215223 is an apocalyptic number.

204142215223 is a deficient number, since it is larger than the sum of its proper divisors (10744327137).

204142215223 is a wasteful number, since it uses less digits than its factorization.

204142215223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10744327136.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 204142215223 its reverse (322512241402), we get a palindrome (526654456625).

The spelling of 204142215223 in words is "two hundred four billion, one hundred forty-two million, two hundred fifteen thousand, two hundred twenty-three".