3123123 has 4 divisors (see below), whose sum is σ = 4164168. Its totient is φ = 2082080.

The previous prime is 3123091. The next prime is 3123137. The reversal of 3123123 is 3213213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3123123 - 2⁵ = 3123091 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3123143) 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, 520518 + ... + 520523.

It is an arithmetic number, because the mean of its divisors is an integer number (1041042).

Almost surely, 2^3123123 is an apocalyptic number.

3123123 is a deficient number, since it is larger than the sum of its proper divisors (1041045).

3123123 is a wasteful number, since it uses less digits than its factorization.

3123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041044.

The product of its digits is 108, while the sum is 15.

The square root of 3123123 is about 1767.2359774518. The cubic root of 3123123 is about 146.1716096813.

Adding to 3123123 its reverse (3213213), we get a palindrome (6336336).

The spelling of 3123123 in words is "three million, one hundred twenty-three thousand, one hundred twenty-three".