123427906996 has 24 divisors (see below), whose sum is σ = 228897010440. Its totient is φ = 58132569600.

The previous prime is 123427906981. The next prime is 123427907063. The reversal of 123427906996 is 699609724321.

It can be written as a sum of positive squares in 4 ways, for example, as 12731962896 + 110695944100 = 112836^2 + 332710^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 123427906996.

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 7 ways as a sum of consecutive naturals, for example, 12971265 + ... + 12980776.

It is an arithmetic number, because the mean of its divisors is an integer number (9537375435).

Almost surely, 2^123427906996 is an apocalyptic number.

It is an amenable number.

123427906996 is a deficient number, since it is larger than the sum of its proper divisors (105469103444).

123427906996 is a wasteful number, since it uses less digits than its factorization.

123427906996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25952115 (or 25952113 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 123427906996 in words is "one hundred twenty-three billion, four hundred twenty-seven million, nine hundred six thousand, nine hundred ninety-six".