204551414123 has 8 divisors (see below), whose sum is σ = 234704413440. Its totient is φ = 174631257000.

The previous prime is 204551414107. The next prime is 204551414183. The reversal of 204551414123 is 321414155402.

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 204551414123 - 2⁴ = 204551414107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204551414123.

It is not an unprimeable number, because it can be changed into a prime (204551414183) 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, 58208663 + ... + 58212176.

It is an arithmetic number, because the mean of its divisors is an integer number (29338051680).

Almost surely, 2^204551414123 is an apocalyptic number.

204551414123 is a deficient number, since it is larger than the sum of its proper divisors (30152999317).

204551414123 is a wasteful number, since it uses less digits than its factorization.

204551414123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116421097.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 204551414123 its reverse (321414155402), we get a palindrome (525965569525).

The spelling of 204551414123 in words is "two hundred four billion, five hundred fifty-one million, four hundred fourteen thousand, one hundred twenty-three".