204046423321 has 4 divisors (see below), whose sum is σ = 219742302052. Its totient is φ = 188350544592.

The previous prime is 204046423307. The next prime is 204046423331. The reversal of 204046423321 is 123324640402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126394470400 + 77651952921 = 355520^2 + 278661^2 .

It is a cyclic number.

It is not a de Polignac number, because 204046423321 - 2¹⁷ = 204046292249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204046423331) 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, 7847939346 + ... + 7847939371.

It is an arithmetic number, because the mean of its divisors is an integer number (54935575513).

Almost surely, 2^204046423321 is an apocalyptic number.

It is an amenable number.

204046423321 is a deficient number, since it is larger than the sum of its proper divisors (15695878731).

204046423321 is a wasteful number, since it uses less digits than its factorization.

204046423321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15695878730.

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 204046423321 in words is "two hundred four billion, forty-six million, four hundred twenty-three thousand, three hundred twenty-one".