30323146 has 32 divisors (see below), whose sum is σ = 54236160. Its totient is φ = 12441600.

The previous prime is 30323143. The next prime is 30323171. The reversal of 30323146 is 64132303.

It is not an unprimeable number, because it can be changed into a prime (30323141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46986 + ... + 47626.

It is an arithmetic number, because the mean of its divisors is an integer number (1694880).

Almost surely, 2^30323146 is an apocalyptic number.

30323146 is a deficient number, since it is larger than the sum of its proper divisors (23913014).

30323146 is a wasteful number, since it uses less digits than its factorization.

30323146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 30323146 is about 5506.6456214287. The cubic root of 30323146 is about 311.8349239069.

Adding to 30323146 its reverse (64132303), we get a palindrome (94455449).

The spelling of 30323146 in words is "thirty million, three hundred twenty-three thousand, one hundred forty-six".