204041023 has 4 divisors (see below), whose sum is σ = 204311320. Its totient is φ = 203770728.

The previous prime is 204041017. The next prime is 204041041. The reversal of 204041023 is 320140402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320140402 = 2 ⋅160070201.

It is a cyclic number.

It is not a de Polignac number, because 204041023 - 2¹³ = 204032831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204040988 and 204041006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204041083) 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, 134013 + ... + 135526.

It is an arithmetic number, because the mean of its divisors is an integer number (51077830).

Almost surely, 2^204041023 is an apocalyptic number.

204041023 is a deficient number, since it is larger than the sum of its proper divisors (270297).

204041023 is an equidigital number, since it uses as much as digits as its factorization.

204041023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270296.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204041023 is about 14284.2928771431. The cubic root of 204041023 is about 588.7159886471.

Adding to 204041023 its reverse (320140402), we get a palindrome (524181425).

The spelling of 204041023 in words is "two hundred four million, forty-one thousand, twenty-three".