204123103013 has 8 divisors (see below), whose sum is σ = 207149604480. Its totient is φ = 201107668320.

The previous prime is 204123103003. The next prime is 204123103027. The reversal of 204123103013 is 310301321402.

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 204123103013 - 2⁶ = 204123102949 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 (204123103003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729528 + ... + 2803313.

It is an arithmetic number, because the mean of its divisors is an integer number (25893700560).

Almost surely, 2^204123103013 is an apocalyptic number.

It is an amenable number.

204123103013 is a deficient number, since it is larger than the sum of its proper divisors (3026501467).

204123103013 is an equidigital number, since it uses as much as digits as its factorization.

204123103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533387.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 204123103013 its reverse (310301321402), we get a palindrome (514424424415).

The spelling of 204123103013 in words is "two hundred four billion, one hundred twenty-three million, one hundred three thousand, thirteen".