30442323 has 16 divisors (see below), whose sum is σ = 42425856. Its totient is φ = 19397280.

The previous prime is 30442301. The next prime is 30442331. The reversal of 30442323 is 32324403.

It is not a de Polignac number, because 30442323 - 2⁶ = 30442259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30442323.

It is not an unprimeable number, because it can be changed into a prime (30422323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3553 + ... + 8573.

It is an arithmetic number, because the mean of its divisors is an integer number (2651616).

Almost surely, 2^30442323 is an apocalyptic number.

30442323 is a deficient number, since it is larger than the sum of its proper divisors (11983533).

30442323 is a wasteful number, since it uses less digits than its factorization.

30442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30442323 is about 5517.4562073477. The cubic root of 30442323 is about 312.2429177392.

Adding to 30442323 its reverse (32324403), we get a palindrome (62766726).

The spelling of 30442323 in words is "thirty million, four hundred forty-two thousand, three hundred twenty-three".