204012332123 has 8 divisors (see below), whose sum is σ = 216018034128. Its totient is φ = 192007183104.

The previous prime is 204012332119. The next prime is 204012332137. The reversal of 204012332123 is 321233210402.

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 204012332123 - 2² = 204012332119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204012332023) 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, 805415 + ... + 1027967.

It is an arithmetic number, because the mean of its divisors is an integer number (27002254266).

Almost surely, 2^204012332123 is an apocalyptic number.

204012332123 is a deficient number, since it is larger than the sum of its proper divisors (12005702005).

204012332123 is a wasteful number, since it uses less digits than its factorization.

204012332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276493.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 204012332123 its reverse (321233210402), we get a palindrome (525245542525).

The spelling of 204012332123 in words is "two hundred four billion, twelve million, three hundred thirty-two thousand, one hundred twenty-three".