123530030 has 16 divisors (see below), whose sum is σ = 239458464. Its totient is φ = 45611040.

The previous prime is 123530003. The next prime is 123530047. The reversal of 123530030 is 30035321.

It is a junction number, because it is equal to n+sod(n) for n = 123529990 and 123530008.

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 in 7 ways as a sum of consecutive naturals, for example, 474986 + ... + 475245.

It is an arithmetic number, because the mean of its divisors is an integer number (14966154).

Almost surely, 2^123530030 is an apocalyptic number.

123530030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123530030 is a deficient number, since it is larger than the sum of its proper divisors (115928434).

123530030 is a wasteful number, since it uses less digits than its factorization.

123530030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950251.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 123530030 is about 11114.4064168987. The cubic root of 123530030 is about 498.0323065228.

Adding to 123530030 its reverse (30035321), we get a palindrome (153565351).

The spelling of 123530030 in words is "one hundred twenty-three million, five hundred thirty thousand, thirty".