30223023213021 has 32 divisors (see below), whose sum is σ = 40708383338880. Its totient is φ = 19944318418944.

The previous prime is 30223023213017. The next prime is 30223023213037. The reversal of 30223023213021 is 12031232032203.

It is not a de Polignac number, because 30223023213021 - 2² = 30223023213017 is a prime.

It is a super-2 number, since 2×30223023213021² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30223023212982 and 30223023213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223023283021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227707045 + ... + 227839733.

It is an arithmetic number, because the mean of its divisors is an integer number (1272136979340).

Almost surely, 2^{30223023213021} is an apocalyptic number.

It is an amenable number.

30223023213021 is a deficient number, since it is larger than the sum of its proper divisors (10485360125859).

30223023213021 is a wasteful number, since it uses less digits than its factorization.

30223023213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134845.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30223023213021 its reverse (12031232032203), we get a palindrome (42254255245224).

The spelling of 30223023213021 in words is "thirty trillion, two hundred twenty-three billion, twenty-three million, two hundred thirteen thousand, twenty-one".