204123301424 has 20 divisors (see below), whose sum is σ = 451987310544. Its totient is φ = 87481414848.

The previous prime is 204123301423. The next prime is 204123301429. The reversal of 204123301424 is 424103321402.

It is a junction number, because it is equal to n+sod(n) for n = 204123301393 and 204123301402.

It is not an unprimeable number, because it can be changed into a prime (204123301423) 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, 911264627 + ... + 911264850.

Almost surely, 2^204123301424 is an apocalyptic number.

It is an amenable number.

204123301424 is an abundant number, since it is smaller than the sum of its proper divisors (247864009120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204123301424 is a wasteful number, since it uses less digits than its factorization.

204123301424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822529492 (or 1822529486 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 204123301424 its reverse (424103321402), we get a palindrome (628226622826).

The spelling of 204123301424 in words is "two hundred four billion, one hundred twenty-three million, three hundred one thousand, four hundred twenty-four".