123100030011 has 32 divisors (see below), whose sum is σ = 187926592000. Its totient is φ = 70213423104.

The previous prime is 123100030007. The next prime is 123100030087. The reversal of 123100030011 is 110030001321.

It is not a de Polignac number, because 123100030011 - 2² = 123100030007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123100030211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35179740 + ... + 35183238.

It is an arithmetic number, because the mean of its divisors is an integer number (5872706000).

Almost surely, 2^123100030011 is an apocalyptic number.

123100030011 is a deficient number, since it is larger than the sum of its proper divisors (64826561989).

123100030011 is a wasteful number, since it uses less digits than its factorization.

123100030011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 123100030011 its reverse (110030001321), we get a palindrome (233130031332).

The spelling of 123100030011 in words is "one hundred twenty-three billion, one hundred million, thirty thousand, eleven".