123672774312 has 48 divisors (see below), whose sum is σ = 349510019040. Its totient is φ = 39431898528.

The previous prime is 123672774311. The next prime is 123672774317. The reversal of 123672774312 is 213477276321.

123672774312 is a `hidden beast` number, since 1 + 2 + 3 + 67 + 277 + 4 + 312 = 666.

It is not an unprimeable number, because it can be changed into a prime (123672774311) 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 11 ways as a sum of consecutive naturals, for example, 37339158 + ... + 37342469.

It is an arithmetic number, because the mean of its divisors is an integer number (7281458730).

Almost surely, 2^123672774312 is an apocalyptic number.

123672774312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123672774312 is an abundant number, since it is smaller than the sum of its proper divisors (225837244728).

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

123672774312 is a wasteful number, since it uses less digits than its factorization.

123672774312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74681662 (or 74681655 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The spelling of 123672774312 in words is "one hundred twenty-three billion, six hundred seventy-two million, seven hundred seventy-four thousand, three hundred twelve".