304242121123 has 4 divisors (see below), whose sum is σ = 320254864360. Its totient is φ = 288229377888.

The previous prime is 304242121081. The next prime is 304242121159. The reversal of 304242121123 is 321121242403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304242121123 - 2¹⁷ = 304241990051 is a prime.

It is a super-2 number, since 2×304242121123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304242121423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8006371590 + ... + 8006371627.

It is an arithmetic number, because the mean of its divisors is an integer number (80063716090).

Almost surely, 2^304242121123 is an apocalyptic number.

304242121123 is a deficient number, since it is larger than the sum of its proper divisors (16012743237).

304242121123 is a wasteful number, since it uses less digits than its factorization.

304242121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16012743236.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 304242121123 its reverse (321121242403), we get a palindrome (625363363526).

The spelling of 304242121123 in words is "three hundred four billion, two hundred forty-two million, one hundred twenty-one thousand, one hundred twenty-three".