30123032 has 32 divisors (see below), whose sum is σ = 58482000. Its totient is φ = 14534784.

The previous prime is 30123019. The next prime is 30123047. The reversal of 30123032 is 23032103.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 30122998 and 30123016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43763 + ... + 44445.

Almost surely, 2^30123032 is an apocalyptic number.

It is an amenable number.

30123032 is a deficient number, since it is larger than the sum of its proper divisors (28358968).

30123032 is a wasteful number, since it uses less digits than its factorization.

30123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30123032 is about 5488.4453172096. The cubic root of 30123032 is about 311.1474368393.

Adding to 30123032 its reverse (23032103), we get a palindrome (53155135).

The spelling of 30123032 in words is "thirty million, one hundred twenty-three thousand, thirty-two".