30300002123 has 4 divisors (see below), whose sum is σ = 30307080888. Its totient is φ = 30292923360.

The previous prime is 30300002119. The next prime is 30300002129. The reversal of 30300002123 is 32120000303.

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 30300002123 - 2² = 30300002119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30300002098 and 30300002107.

It is not an unprimeable number, because it can be changed into a prime (30300002129) 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 3 ways as a sum of consecutive naturals, for example, 3532958 + ... + 3541523.

It is an arithmetic number, because the mean of its divisors is an integer number (7576770222).

Almost surely, 2^30300002123 is an apocalyptic number.

30300002123 is a deficient number, since it is larger than the sum of its proper divisors (7078765).

30300002123 is an equidigital number, since it uses as much as digits as its factorization.

30300002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078764.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30300002123 its reverse (32120000303), we get a palindrome (62420002426).

The spelling of 30300002123 in words is "thirty billion, three hundred million, two thousand, one hundred twenty-three".