123908679 has 6 divisors (see below), whose sum is σ = 178979216. Its totient is φ = 82605780.

The previous prime is 123908669. The next prime is 123908761. The reversal of 123908679 is 976809321.

It is not a de Polignac number, because 123908679 - 2⁹ = 123908167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123908669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6883807 + ... + 6883824.

Almost surely, 2^123908679 is an apocalyptic number.

123908679 is a deficient number, since it is larger than the sum of its proper divisors (55070537).

123908679 is a wasteful number, since it uses less digits than its factorization.

123908679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13767637 (or 13767634 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 123908679 is about 11131.4275364843. The cubic root of 123908679 is about 498.5406500729.

The spelling of 123908679 in words is "one hundred twenty-three million, nine hundred eight thousand, six hundred seventy-nine".