123266873 has 4 divisors (see below), whose sum is σ = 123551988. Its totient is φ = 122981760.

The previous prime is 123266861. The next prime is 123266893. The reversal of 123266873 is 378662321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 378662321 = 2083 ⋅181787.

It can be written as a sum of positive squares in 2 ways, for example, as 45333289 + 77933584 = 6733^2 + 8828^2 .

It is a cyclic number.

It is not a de Polignac number, because 123266873 - 2¹⁸ = 123004729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123266893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141908 + ... + 142773.

It is an arithmetic number, because the mean of its divisors is an integer number (30887997).

Almost surely, 2^123266873 is an apocalyptic number.

It is an amenable number.

123266873 is a deficient number, since it is larger than the sum of its proper divisors (285115).

123266873 is an equidigital number, since it uses as much as digits as its factorization.

123266873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285114.

The product of its digits is 72576, while the sum is 38.

The square root of 123266873 is about 11102.5615512818. The cubic root of 123266873 is about 497.6784010405.

The spelling of 123266873 in words is "one hundred twenty-three million, two hundred sixty-six thousand, eight hundred seventy-three".