204440352143 has 2 divisors, whose sum is σ = 204440352144. Its totient is φ = 204440352142.

The previous prime is 204440352131. The next prime is 204440352199. The reversal of 204440352143 is 341253044402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204440352143 - 2⁶ = 204440352079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204440352043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102220176071 + 102220176072.

It is an arithmetic number, because the mean of its divisors is an integer number (102220176072).

Almost surely, 2^204440352143 is an apocalyptic number.

204440352143 is a deficient number, since it is larger than the sum of its proper divisors (1).

204440352143 is an equidigital number, since it uses as much as digits as its factorization.

204440352143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 204440352143 its reverse (341253044402), we get a palindrome (545693396545).

The spelling of 204440352143 in words is "two hundred four billion, four hundred forty million, three hundred fifty-two thousand, one hundred forty-three".