204142321323102 has 16 divisors (see below), whose sum is σ = 410988514453632. Its totient is φ = 67596795139800.

The previous prime is 204142321323029. The next prime is 204142321323119. The reversal of 204142321323102 is 201323123241402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204142321323102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112661324328 + ... + 112661326139.

It is an arithmetic number, because the mean of its divisors is an integer number (25686782153352).

Almost surely, 2^{204142321323102} is an apocalyptic number.

204142321323102 is an abundant number, since it is smaller than the sum of its proper divisors (206846193130530).

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

204142321323102 is a wasteful number, since it uses less digits than its factorization.

204142321323102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225322650623.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 204142321323102 its reverse (201323123241402), we get a palindrome (405465444564504).

The spelling of 204142321323102 in words is "two hundred four trillion, one hundred forty-two billion, three hundred twenty-one million, three hundred twenty-three thousand, one hundred two".