123008913873 has 16 divisors (see below), whose sum is σ = 182295554560. Its totient is φ = 81978885648.

The previous prime is 123008913869. The next prime is 123008913887. The reversal of 123008913873 is 378319800321.

It is a happy number.

It is not a de Polignac number, because 123008913873 - 2² = 123008913869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123008913773) 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 15 ways as a sum of consecutive naturals, for example, 668065 + ... + 832062.

It is an arithmetic number, because the mean of its divisors is an integer number (11393472160).

Almost surely, 2^123008913873 is an apocalyptic number.

It is an amenable number.

123008913873 is a deficient number, since it is larger than the sum of its proper divisors (59286640687).

123008913873 is a wasteful number, since it uses less digits than its factorization.

123008913873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503173 (or 1503167 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 123008913873 in words is "one hundred twenty-three billion, eight million, nine hundred thirteen thousand, eight hundred seventy-three".