204252423213 has 16 divisors (see below), whose sum is σ = 274996719296. Its totient is φ = 134844238080.

The previous prime is 204252423211. The next prime is 204252423251. The reversal of 204252423213 is 312324252402.

204252423213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204252423213 - 2¹ = 204252423211 is a prime.

It is a super-2 number, since 2×204252423213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204252423211) 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 15 ways as a sum of consecutive naturals, for example, 618508 + ... + 889413.

It is an arithmetic number, because the mean of its divisors is an integer number (17187294956).

Almost surely, 2^204252423213 is an apocalyptic number.

It is an amenable number.

204252423213 is a deficient number, since it is larger than the sum of its proper divisors (70744296083).

204252423213 is a wasteful number, since it uses less digits than its factorization.

204252423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508364.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 204252423213 its reverse (312324252402), we get a palindrome (516576675615).

The spelling of 204252423213 in words is "two hundred four billion, two hundred fifty-two million, four hundred twenty-three thousand, two hundred thirteen".