123100403124 has 12 divisors (see below), whose sum is σ = 287234273984. Its totient is φ = 41033467704.

The previous prime is 123100403087. The next prime is 123100403131. The reversal of 123100403124 is 421304001321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 123100403124.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5129183452 + ... + 5129183475.

Almost surely, 2^123100403124 is an apocalyptic number.

It is an amenable number.

123100403124 is an abundant number, since it is smaller than the sum of its proper divisors (164133870860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123100403124 is a wasteful number, since it uses less digits than its factorization.

123100403124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10258366934 (or 10258366932 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123100403124 its reverse (421304001321), we get a palindrome (544404404445).

The spelling of 123100403124 in words is "one hundred twenty-three billion, one hundred million, four hundred three thousand, one hundred twenty-four".