123708923 has 8 divisors (see below), whose sum is σ = 133503216. Its totient is φ = 113954400.

The previous prime is 123708911. The next prime is 123708967. The reversal of 123708923 is 329807321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123708923 - 2⁶ = 123708859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123701923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308 + ... + 16073.

It is an arithmetic number, because the mean of its divisors is an integer number (16687902).

Almost surely, 2^123708923 is an apocalyptic number.

123708923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123708923 is a deficient number, since it is larger than the sum of its proper divisors (9794293).

123708923 is a wasteful number, since it uses less digits than its factorization.

123708923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 123708923 is about 11122.4513035571. The cubic root of 123708923 is about 498.2726030722.

The spelling of 123708923 in words is "one hundred twenty-three million, seven hundred eight thousand, nine hundred twenty-three".