204453544232243 has 4 divisors (see below), whose sum is σ = 204468245730600. Its totient is φ = 204438842733888.

The previous prime is 204453544232233. The next prime is 204453544232261. The reversal of 204453544232243 is 342232445354402.

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 204453544232243 - 2¹⁴ = 204453544215859 is a prime.

It is a super-2 number, since 2×204453544232243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204453544232233) 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, 7350728318 + ... + 7350756131.

It is an arithmetic number, because the mean of its divisors is an integer number (51117061432650).

Almost surely, 2^{204453544232243} is an apocalyptic number.

204453544232243 is a deficient number, since it is larger than the sum of its proper divisors (14701498357).

204453544232243 is a wasteful number, since it uses less digits than its factorization.

204453544232243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701498356.

The product of its (nonzero) digits is 11059200, while the sum is 47.

Adding to 204453544232243 its reverse (342232445354402), we get a palindrome (546685989586645).

The spelling of 204453544232243 in words is "two hundred four trillion, four hundred fifty-three billion, five hundred forty-four million, two hundred thirty-two thousand, two hundred forty-three".