123708375 has 96 divisors (see below), whose sum is σ = 266333184. Its totient is φ = 54014400.

The previous prime is 123708359. The next prime is 123708379. The reversal of 123708375 is 573807321.

It is not a de Polignac number, because 123708375 - 2⁴ = 123708359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123708379) 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 95 ways as a sum of consecutive naturals, for example, 180784 + ... + 181466.

It is an arithmetic number, because the mean of its divisors is an integer number (2774304).

Almost surely, 2^123708375 is an apocalyptic number.

123708375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123708375 is an abundant number, since it is smaller than the sum of its proper divisors (142624809).

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

123708375 is a wasteful number, since it uses less digits than its factorization.

123708375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 123708375 is about 11122.4266686726. The cubic root of 123708375 is about 498.2718673296.

The spelling of 123708375 in words is "one hundred twenty-three million, seven hundred eight thousand, three hundred seventy-five".