123004213 has 4 divisors (see below), whose sum is σ = 123359040. Its totient is φ = 122649388.

The previous prime is 123004181. The next prime is 123004237. The reversal of 123004213 is 312400321.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 123004213 - 2⁵ = 123004181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123004313) 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, 176893 + ... + 177586.

It is an arithmetic number, because the mean of its divisors is an integer number (30839760).

Almost surely, 2^123004213 is an apocalyptic number.

It is an amenable number.

123004213 is a deficient number, since it is larger than the sum of its proper divisors (354827).

123004213 is an equidigital number, since it uses as much as digits as its factorization.

123004213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354826.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123004213 is about 11090.7264414916. The cubic root of 123004213 is about 497.3246613240.

Adding to 123004213 its reverse (312400321), we get a palindrome (435404534).

The spelling of 123004213 in words is "one hundred twenty-three million, four thousand, two hundred thirteen".