30012243 has 8 divisors (see below), whose sum is σ = 40405248. Its totient is φ = 19813704.

The previous prime is 30012239. The next prime is 30012289. The reversal of 30012243 is 34221003.

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

It is not a de Polignac number, because 30012243 - 2² = 30012239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30012223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48255 + ... + 48872.

It is an arithmetic number, because the mean of its divisors is an integer number (5050656).

Almost surely, 2^30012243 is an apocalyptic number.

30012243 is a deficient number, since it is larger than the sum of its proper divisors (10393005).

30012243 is a wasteful number, since it uses less digits than its factorization.

30012243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97233.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30012243 is about 5478.3430889275. The cubic root of 30012243 is about 310.7655135663.

Adding to 30012243 its reverse (34221003), we get a palindrome (64233246).

The spelling of 30012243 in words is "thirty million, twelve thousand, two hundred forty-three".