204123331141 has 4 divisors (see below), whose sum is σ = 216130585932. Its totient is φ = 192116076352.

The previous prime is 204123331091. The next prime is 204123331163. The reversal of 204123331141 is 141133321402.

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 119194800516 + 84928530625 = 345246^2 + 291425^2 .

It is a cyclic number.

It is not a de Polignac number, because 204123331141 - 2¹¹ = 204123329093 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 (204123331441) 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, 6003627370 + ... + 6003627403.

It is an arithmetic number, because the mean of its divisors is an integer number (54032646483).

Almost surely, 2^204123331141 is an apocalyptic number.

It is an amenable number.

204123331141 is a deficient number, since it is larger than the sum of its proper divisors (12007254791).

204123331141 is a wasteful number, since it uses less digits than its factorization.

204123331141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007254790.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 204123331141 its reverse (141133321402), we get a palindrome (345256652543).

The spelling of 204123331141 in words is "two hundred four billion, one hundred twenty-three million, three hundred thirty-one thousand, one hundred forty-one".