204412431143 has 4 divisors (see below), whose sum is σ = 207877048680. Its totient is φ = 200947813608.

The previous prime is 204412431103. The next prime is 204412431149. The reversal of 204412431143 is 341134214402.

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 204412431143 - 2¹⁰ = 204412430119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204412431149) 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, 1732308680 + ... + 1732308797.

It is an arithmetic number, because the mean of its divisors is an integer number (51969262170).

Almost surely, 2^204412431143 is an apocalyptic number.

204412431143 is a deficient number, since it is larger than the sum of its proper divisors (3464617537).

204412431143 is an equidigital number, since it uses as much as digits as its factorization.

204412431143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464617536.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 204412431143 its reverse (341134214402), we get a palindrome (545546645545).

The spelling of 204412431143 in words is "two hundred four billion, four hundred twelve million, four hundred thirty-one thousand, one hundred forty-three".