30442403323 has 16 divisors (see below), whose sum is σ = 31283873280. Its totient is φ = 29609445600.

The previous prime is 30442403291. The next prime is 30442403347. The reversal of 30442403323 is 32330424403.

It is a cyclic number.

It is not a de Polignac number, because 30442403323 - 2⁵ = 30442403291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30442403291 and 30442403300.

It is not an unprimeable number, because it can be changed into a prime (30442403423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8139988 + ... + 8143726.

It is an arithmetic number, because the mean of its divisors is an integer number (1955242080).

Almost surely, 2^30442403323 is an apocalyptic number.

30442403323 is a deficient number, since it is larger than the sum of its proper divisors (841469957).

30442403323 is a wasteful number, since it uses less digits than its factorization.

30442403323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 30442403323 its reverse (32330424403), we get a palindrome (62772827726).

The spelling of 30442403323 in words is "thirty billion, four hundred forty-two million, four hundred three thousand, three hundred twenty-three".