123530206 has 8 divisors (see below), whose sum is σ = 185389344. Its totient is φ = 61733760.

The previous prime is 123530189. The next prime is 123530207. The reversal of 123530206 is 602035321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123530207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10390 + ... + 18841.

It is an arithmetic number, because the mean of its divisors is an integer number (23173668).

Almost surely, 2^123530206 is an apocalyptic number.

123530206 is a deficient number, since it is larger than the sum of its proper divisors (61859138).

123530206 is a wasteful number, since it uses less digits than its factorization.

123530206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31346.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 123530206 is about 11114.4143345477. The cubic root of 123530206 is about 498.0325430473.

Adding to 123530206 its reverse (602035321), we get a palindrome (725565527).

The spelling of 123530206 in words is "one hundred twenty-three million, five hundred thirty thousand, two hundred six".