204443123330413 has 4 divisors (see below), whose sum is σ = 223028861815008. Its totient is φ = 185857384845820.

The previous prime is 204443123330387. The next prime is 204443123330443. The reversal of 204443123330413 is 314033321344402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204443123330413 - 2⁹ = 204443123329901 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 (204443123330443) 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, 9292869242281 + ... + 9292869242302.

It is an arithmetic number, because the mean of its divisors is an integer number (55757215453752).

Almost surely, 2^{204443123330413} is an apocalyptic number.

It is an amenable number.

204443123330413 is a deficient number, since it is larger than the sum of its proper divisors (18585738484595).

204443123330413 is a wasteful number, since it uses less digits than its factorization.

204443123330413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18585738484594.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 204443123330413 its reverse (314033321344402), we get a palindrome (518476444674815).

The spelling of 204443123330413 in words is "two hundred four trillion, four hundred forty-three billion, one hundred twenty-three million, three hundred thirty thousand, four hundred thirteen".