30023144 has 16 divisors (see below), whose sum is σ = 56380320. Its totient is φ = 14988400.

The previous prime is 30023137. The next prime is 30023167. The reversal of 30023144 is 44132003.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3419 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (3523770).

Almost surely, 2^30023144 is an apocalyptic number.

It is an amenable number.

30023144 is a deficient number, since it is larger than the sum of its proper divisors (26357176).

30023144 is a wasteful number, since it uses less digits than its factorization.

30023144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30023144 is about 5479.3379162085. The cubic root of 30023144 is about 310.8031342665.

Adding to 30023144 its reverse (44132003), we get a palindrome (74155147).

The spelling of 30023144 in words is "thirty million, twenty-three thousand, one hundred forty-four".