123775746416 has 40 divisors (see below), whose sum is σ = 285991171584. Its totient is φ = 50740367040.

The previous prime is 123775746383. The next prime is 123775746421. The reversal of 123775746416 is 614647577321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24022220 + ... + 24027371.

Almost surely, 2^123775746416 is an apocalyptic number.

123775746416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123775746416 is an abundant number, since it is smaller than the sum of its proper divisors (162215425168).

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

123775746416 is a wasteful number, since it uses less digits than its factorization.

123775746416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48049629 (or 48049623 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The spelling of 123775746416 in words is "one hundred twenty-three billion, seven hundred seventy-five million, seven hundred forty-six thousand, four hundred sixteen".