30012320103123 has 4 divisors (see below), whose sum is σ = 40016426804168. Its totient is φ = 20008213402080.

The previous prime is 30012320103109. The next prime is 30012320103163. The reversal of 30012320103123 is 32130102321003.

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

It is not a de Polignac number, because 30012320103123 - 2²² = 30012315908819 is a prime.

It is a super-2 number, since 2×30012320103123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30012320103123.

It is not an unprimeable number, because it can be changed into a prime (30012320103163) 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, 5002053350518 + ... + 5002053350523.

It is an arithmetic number, because the mean of its divisors is an integer number (10004106701042).

Almost surely, 2^{30012320103123} is an apocalyptic number.

30012320103123 is a deficient number, since it is larger than the sum of its proper divisors (10004106701045).

30012320103123 is a wasteful number, since it uses less digits than its factorization.

30012320103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004106701044.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30012320103123 its reverse (32130102321003), we get a palindrome (62142422424126).

The spelling of 30012320103123 in words is "thirty trillion, twelve billion, three hundred twenty million, one hundred three thousand, one hundred twenty-three".