204023013 has 8 divisors (see below), whose sum is σ = 272281728. Its totient is φ = 135889824.

The previous prime is 204023009. The next prime is 204023021. The reversal of 204023013 is 310320402.

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

It is not a de Polignac number, because 204023013 - 2² = 204023009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204022983 and 204023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204023063) 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, 27520 + ... + 34137.

It is an arithmetic number, because the mean of its divisors is an integer number (34035216).

Almost surely, 2^204023013 is an apocalyptic number.

It is an amenable number.

204023013 is a deficient number, since it is larger than the sum of its proper divisors (68258715).

204023013 is a wasteful number, since it uses less digits than its factorization.

204023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62763.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 204023013 is about 14283.6624505062. The cubic root of 204023013 is about 588.6986668250.

Adding to 204023013 its reverse (310320402), we get a palindrome (514343415).

The spelling of 204023013 in words is "two hundred four million, twenty-three thousand, thirteen".