123530224 has 10 divisors (see below), whose sum is σ = 239339840. Its totient is φ = 61765104.

The previous prime is 123530219. The next prime is 123530237. The reversal of 123530224 is 422035321.

It is a junction number, because it is equal to n+sod(n) for n = 123530195 and 123530204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3860304 + ... + 3860335.

It is an arithmetic number, because the mean of its divisors is an integer number (23933984).

Almost surely, 2^123530224 is an apocalyptic number.

It is an amenable number.

123530224 is a deficient number, since it is larger than the sum of its proper divisors (115809616).

123530224 is an equidigital number, since it uses as much as digits as its factorization.

123530224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720647 (or 7720641 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 123530224 is about 11114.4151443070. The cubic root of 123530224 is about 498.0325672373.

Adding to 123530224 its reverse (422035321), we get a palindrome (545565545).

The spelling of 123530224 in words is "one hundred twenty-three million, five hundred thirty thousand, two hundred twenty-four".