204423323141 has 4 divisors (see below), whose sum is σ = 206232379212. Its totient is φ = 202614267072.

The previous prime is 204423323107. The next prime is 204423323147. The reversal of 204423323141 is 141323324402.

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 49715620900 + 154707702241 = 222970^2 + 393329^2 .

It is a cyclic number.

It is not a de Polignac number, because 204423323141 - 2⁶ = 204423323077 is a prime.

It is a super-2 number, since 2×204423323141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423323147) 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, 904527866 + ... + 904528091.

It is an arithmetic number, because the mean of its divisors is an integer number (51558094803).

Almost surely, 2^204423323141 is an apocalyptic number.

It is an amenable number.

204423323141 is a deficient number, since it is larger than the sum of its proper divisors (1809056071).

204423323141 is a wasteful number, since it uses less digits than its factorization.

204423323141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809056070.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 204423323141 its reverse (141323324402), we get a palindrome (345746647543).

The spelling of 204423323141 in words is "two hundred four billion, four hundred twenty-three million, three hundred twenty-three thousand, one hundred forty-one".