123134403124 has 12 divisors (see below), whose sum is σ = 215557030948. Its totient is φ = 61546680000.

The previous prime is 123134403109. The next prime is 123134403167. The reversal of 123134403124 is 421304431321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20946772900 + 102187630224 = 144730^2 + 319668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123134403092 and 123134403101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5116887 + ... + 5140894.

Almost surely, 2^123134403124 is an apocalyptic number.

It is an amenable number.

123134403124 is a deficient number, since it is larger than the sum of its proper divisors (92422627824).

123134403124 is a wasteful number, since it uses less digits than its factorization.

123134403124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10260786 (or 10260784 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 123134403124 its reverse (421304431321), we get a palindrome (544438834445).

The spelling of 123134403124 in words is "one hundred twenty-three billion, one hundred thirty-four million, four hundred three thousand, one hundred twenty-four".