30423012 has 24 divisors (see below), whose sum is σ = 71207136. Its totient is φ = 10109568.

The previous prime is 30422993. The next prime is 30423017. The reversal of 30423012 is 21032403.

It is a junction number, because it is equal to n+sod(n) for n = 30422982 and 30423000.

It is not an unprimeable number, because it can be changed into a prime (30423017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (2966964).

Almost surely, 2^30423012 is an apocalyptic number.

It is an amenable number.

30423012 is an abundant number, since it is smaller than the sum of its proper divisors (40784124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30423012 is a wasteful number, since it uses less digits than its factorization.

30423012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867 (or 7865 counting only the distinct ones).

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

The square root of 30423012 is about 5515.7059384996. The cubic root of 30423012 is about 312.1768803082.

Adding to 30423012 its reverse (21032403), we get a palindrome (51455415).

The spelling of 30423012 in words is "thirty million, four hundred twenty-three thousand, twelve".