204103104023 has 64 divisors (see below), whose sum is σ = 264738281472. Its totient is φ = 152933806080.

The previous prime is 204103104017. The next prime is 204103104043. The reversal of 204103104023 is 320401301402.

It is a cyclic number.

It is not a de Polignac number, because 204103104023 - 2¹⁰ = 204103102999 is a prime.

It is a super-3 number, since 3×204103104023³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204103103986 and 204103104004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204103104043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149964863 + ... + 149966223.

It is an arithmetic number, because the mean of its divisors is an integer number (4136535648).

Almost surely, 2^204103104023 is an apocalyptic number.

204103104023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204103104023 is a deficient number, since it is larger than the sum of its proper divisors (60635177449).

204103104023 is a wasteful number, since it uses less digits than its factorization.

204103104023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 204103104023 its reverse (320401301402), we get a palindrome (524504405425).

The spelling of 204103104023 in words is "two hundred four billion, one hundred three million, one hundred four thousand, twenty-three".