30020221323 has 8 divisors (see below), whose sum is σ = 44474402000. Its totient is φ = 20013480864.

The previous prime is 30020221289. The next prime is 30020221339. The reversal of 30020221323 is 32312202003.

It is a happy number.

30020221323 is a `hidden beast` number, since 300 + 20 + 2 + 21 + 323 = 666.

It is not a de Polignac number, because 30020221323 - 2²⁹ = 29483350411 is a prime.

It is a super-4 number, since 4×30020221323⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30020221296 and 30020221305.

It is not an unprimeable number, because it can be changed into a prime (30020221393) 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, 555929998 + ... + 555930051.

It is an arithmetic number, because the mean of its divisors is an integer number (5559300250).

Almost surely, 2^30020221323 is an apocalyptic number.

30020221323 is a deficient number, since it is larger than the sum of its proper divisors (14454180677).

30020221323 is a wasteful number, since it uses less digits than its factorization.

30020221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111860058 (or 1111860052 counting only the distinct ones).

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

Adding to 30020221323 its reverse (32312202003), we get a palindrome (62332423326).

The spelling of 30020221323 in words is "thirty billion, twenty million, two hundred twenty-one thousand, three hundred twenty-three".