204012123 has 8 divisors (see below), whose sum is σ = 310875648. Its totient is φ = 116578344.

The previous prime is 204012113. The next prime is 204012131. The reversal of 204012123 is 321210402.

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

It is not a de Polignac number, because 204012123 - 2⁸ = 204011867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204012103) 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, 4857411 + ... + 4857452.

It is an arithmetic number, because the mean of its divisors is an integer number (38859456).

Almost surely, 2^204012123 is an apocalyptic number.

204012123 is a deficient number, since it is larger than the sum of its proper divisors (106863525).

204012123 is an equidigital number, since it uses as much as digits as its factorization.

204012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714873.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 204012123 is about 14283.2812406674. The cubic root of 204012123 is about 588.6881924469.

Adding to 204012123 its reverse (321210402), we get a palindrome (525222525).

The spelling of 204012123 in words is "two hundred four million, twelve thousand, one hundred twenty-three".