30023912 has 16 divisors (see below), whose sum is σ = 57088800. Its totient is φ = 14800240.

The previous prime is 30023911. The next prime is 30023923. The reversal of 30023912 is 21932003.

It is not an unprimeable number, because it can be changed into a prime (30023911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25862 + ... + 26997.

It is an arithmetic number, because the mean of its divisors is an integer number (3568050).

Almost surely, 2^30023912 is an apocalyptic number.

It is an amenable number.

30023912 is a deficient number, since it is larger than the sum of its proper divisors (27064888).

30023912 is a wasteful number, since it uses less digits than its factorization.

30023912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52936 (or 52932 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30023912 is about 5479.4079972201. The cubic root of 30023912 is about 310.8057843862.

Adding to 30023912 its reverse (21932003), we get a palindrome (51955915).

The spelling of 30023912 in words is "thirty million, twenty-three thousand, nine hundred twelve".