204023411123 has 8 divisors (see below), whose sum is σ = 234871581792. Its totient is φ = 173600732736.

The previous prime is 204023411083. The next prime is 204023411143. The reversal of 204023411123 is 321114320402.

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 204023411123 - 2¹⁰ = 204023410099 is a prime.

It is a super-2 number, since 2×204023411123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204023411143) 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, 106372040 + ... + 106373957.

It is an arithmetic number, because the mean of its divisors is an integer number (29358947724).

Almost surely, 2^204023411123 is an apocalyptic number.

204023411123 is a deficient number, since it is larger than the sum of its proper divisors (30848170669).

204023411123 is a wasteful number, since it uses less digits than its factorization.

204023411123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212746141.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 204023411123 its reverse (321114320402), we get a palindrome (525137731525).

The spelling of 204023411123 in words is "two hundred four billion, twenty-three million, four hundred eleven thousand, one hundred twenty-three".