30023012 has 6 divisors (see below), whose sum is σ = 52540278. Its totient is φ = 15011504.

The previous prime is 30022999. The next prime is 30023017. The reversal of 30023012 is 21032003.

It can be written as a sum of positive squares in only one way, i.e., 24760576 + 5262436 = 4976^2 + 2294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30022984 and 30023002.

It is not an unprimeable number, because it can be changed into a prime (30023017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752873 + ... + 3752880.

It is an arithmetic number, because the mean of its divisors is an integer number (8756713).

Almost surely, 2^30023012 is an apocalyptic number.

It is an amenable number.

30023012 is a deficient number, since it is larger than the sum of its proper divisors (22517266).

30023012 is a wasteful number, since it uses less digits than its factorization.

30023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505757 (or 7505755 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30023012 is about 5479.3258709443. The cubic root of 30023012 is about 310.8026787726.

Adding to 30023012 its reverse (21032003), we get a palindrome (51055015).

The spelling of 30023012 in words is "thirty million, twenty-three thousand, twelve".