123110406 has 12 divisors (see below), whose sum is σ = 266739252. Its totient is φ = 41036796.

The previous prime is 123110399. The next prime is 123110411. The reversal of 123110406 is 604011321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6839467 = 123110406 / (1 + 2 + 3 + 1 + 1 + 0 + 4 + 0 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3419716 + ... + 3419751.

It is an arithmetic number, because the mean of its divisors is an integer number (22228271).

Almost surely, 2^123110406 is an apocalyptic number.

123110406 is an abundant number, since it is smaller than the sum of its proper divisors (143628846).

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

123110406 is a wasteful number, since it uses less digits than its factorization.

123110406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6839475 (or 6839472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 123110406 is about 11095.5128768345. The cubic root of 123110406 is about 497.4677382849.

Adding to 123110406 its reverse (604011321), we get a palindrome (727121727).

The spelling of 123110406 in words is "one hundred twenty-three million, one hundred ten thousand, four hundred six".