204322423123 has 8 divisors (see below), whose sum is σ = 251473751648. Its totient is φ = 161661697344.

The previous prime is 204322423069. The next prime is 204322423133. The reversal of 204322423123 is 321324223402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204322423123 - 2⁹ = 204322422611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204322423091 and 204322423100.

It is not an unprimeable number, because it can be changed into a prime (204322423133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122650586 + ... + 1122650767.

It is an arithmetic number, because the mean of its divisors is an integer number (31434218956).

Almost surely, 2^204322423123 is an apocalyptic number.

204322423123 is a deficient number, since it is larger than the sum of its proper divisors (47151328525).

204322423123 is a wasteful number, since it uses less digits than its factorization.

204322423123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245301373.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 204322423123 its reverse (321324223402), we get a palindrome (525646646525).

The spelling of 204322423123 in words is "two hundred four billion, three hundred twenty-two million, four hundred twenty-three thousand, one hundred twenty-three".