30421323 has 12 divisors (see below), whose sum is σ = 45359808. Its totient is φ = 19626480.

The previous prime is 30421291. The next prime is 30421333. The reversal of 30421323 is 32312403.

It is not a de Polignac number, because 30421323 - 2⁵ = 30421291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30421296 and 30421305.

It is not an unprimeable number, because it can be changed into a prime (30421333) 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 11 ways as a sum of consecutive naturals, for example, 54240 + ... + 54797.

It is an arithmetic number, because the mean of its divisors is an integer number (3779984).

Almost surely, 2^30421323 is an apocalyptic number.

30421323 is a deficient number, since it is larger than the sum of its proper divisors (14938485).

30421323 is a wasteful number, since it uses less digits than its factorization.

30421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109074 (or 109071 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30421323 is about 5515.5528281397. The cubic root of 30421323 is about 312.1711031407.

Adding to 30421323 its reverse (32312403), we get a palindrome (62733726).

The spelling of 30421323 in words is "thirty million, four hundred twenty-one thousand, three hundred twenty-three".