204131324042423 has 4 divisors (see below), whose sum is σ = 204154887634608. Its totient is φ = 204107760450240.

The previous prime is 204131324042363. The next prime is 204131324042467. The reversal of 204131324042423 is 324240423131402.

It is a happy number.

204131324042423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204131324042423 - 2¹⁰ = 204131324041399 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 (204131324042623) 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, 11781783098 + ... + 11781800423.

It is an arithmetic number, because the mean of its divisors is an integer number (51038721908652).

Almost surely, 2^{204131324042423} is an apocalyptic number.

204131324042423 is a deficient number, since it is larger than the sum of its proper divisors (23563592185).

204131324042423 is an equidigital number, since it uses as much as digits as its factorization.

204131324042423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23563592184.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 204131324042423 its reverse (324240423131402), we get a palindrome (528371747173825).

The spelling of 204131324042423 in words is "two hundred four trillion, one hundred thirty-one billion, three hundred twenty-four million, forty-two thousand, four hundred twenty-three".