123708873 has 4 divisors (see below), whose sum is σ = 164945168. Its totient is φ = 82472580.

The previous prime is 123708859. The next prime is 123708911. The reversal of 123708873 is 378807321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123708873 - 2²² = 119514569 is a prime.

It is a super-3 number, since 3×123708873³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123708803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20618143 + ... + 20618148.

It is an arithmetic number, because the mean of its divisors is an integer number (41236292).

Almost surely, 2^123708873 is an apocalyptic number.

It is an amenable number.

123708873 is a deficient number, since it is larger than the sum of its proper divisors (41236295).

123708873 is an equidigital number, since it uses as much as digits as its factorization.

123708873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41236294.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 123708873 is about 11122.4490558510. The cubic root of 123708873 is about 498.2725359425.

The spelling of 123708873 in words is "one hundred twenty-three million, seven hundred eight thousand, eight hundred seventy-three".