123268331128 has 16 divisors (see below), whose sum is σ = 233912798280. Its totient is φ = 60891584928.

The previous prime is 123268331113. The next prime is 123268331167. The reversal of 123268331128 is 821133862321.

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, 92821875 + ... + 92823202.

Almost surely, 2^123268331128 is an apocalyptic number.

It is an amenable number.

123268331128 is a deficient number, since it is larger than the sum of its proper divisors (110644467152).

123268331128 is a wasteful number, since it uses less digits than its factorization.

123268331128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185645166 (or 185645162 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The spelling of 123268331128 in words is "one hundred twenty-three billion, two hundred sixty-eight million, three hundred thirty-one thousand, one hundred twenty-eight".