204131023 has 8 divisors (see below), whose sum is σ = 209044800. Its totient is φ = 199275648.

The previous prime is 204131017. The next prime is 204131047. The reversal of 204131023 is 320131402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204131023 - 2¹⁷ = 203999951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204130988 and 204131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204131423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7486 + ... + 21547.

It is an arithmetic number, because the mean of its divisors is an integer number (26130600).

Almost surely, 2^204131023 is an apocalyptic number.

204131023 is a deficient number, since it is larger than the sum of its proper divisors (4913777).

204131023 is an equidigital number, since it uses as much as digits as its factorization.

204131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29201.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 204131023 is about 14287.4428432802. The cubic root of 204131023 is about 588.8025343980.

Adding to 204131023 its reverse (320131402), we get a palindrome (524262425).

The spelling of 204131023 in words is "two hundred four million, one hundred thirty-one thousand, twenty-three".