30001322123 has 4 divisors (see below), whose sum is σ = 30338415720. Its totient is φ = 29664228528.

The previous prime is 30001322119. The next prime is 30001322129. The reversal of 30001322123 is 32122310003.

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 30001322123 - 2² = 30001322119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30001322129) 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, 168546665 + ... + 168546842.

It is an arithmetic number, because the mean of its divisors is an integer number (7584603930).

Almost surely, 2^30001322123 is an apocalyptic number.

30001322123 is a deficient number, since it is larger than the sum of its proper divisors (337093597).

30001322123 is an equidigital number, since it uses as much as digits as its factorization.

30001322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337093596.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30001322123 its reverse (32122310003), we get a palindrome (62123632126).

The spelling of 30001322123 in words is "thirty billion, one million, three hundred twenty-two thousand, one hundred twenty-three".