30323530 has 16 divisors (see below), whose sum is σ = 55398240. Its totient is φ = 11948112.

The previous prime is 30323521. The next prime is 30323537. The reversal of 30323530 is 3532303.

It is a junction number, because it is equal to n+sod(n) for n = 30323498 and 30323507.

It is not an unprimeable number, because it can be changed into a prime (30323537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21960 + ... + 23299.

It is an arithmetic number, because the mean of its divisors is an integer number (3462390).

Almost surely, 2^30323530 is an apocalyptic number.

30323530 is a deficient number, since it is larger than the sum of its proper divisors (25074710).

30323530 is a wasteful number, since it uses less digits than its factorization.

30323530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45333.

The product of its (nonzero) digits is 810, while the sum is 19.

The square root of 30323530 is about 5506.6804882797. The cubic root of 30323530 is about 311.8362402183.

Adding to 30323530 its reverse (3532303), we get a palindrome (33855833).

The spelling of 30323530 in words is "thirty million, three hundred twenty-three thousand, five hundred thirty".