23330310021 has 12 divisors (see below), whose sum is σ = 34861383180. Its totient is φ = 15017210880.

The previous prime is 23330310011. The next prime is 23330310041. The reversal of 23330310021 is 12001303332.

23330310021 is a `hidden beast` number, since 2 + 3 + 330 + 310 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9704417121 + 13625892900 = 98511^2 + 116730^2 .

It is not a de Polignac number, because 23330310021 - 2⁶ = 23330309957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23330309976 and 23330310003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330310011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44693820 + ... + 44694341.

It is an arithmetic number, because the mean of its divisors is an integer number (2905115265).

Almost surely, 2^23330310021 is an apocalyptic number.

It is an amenable number.

23330310021 is a deficient number, since it is larger than the sum of its proper divisors (11531073159).

23330310021 is a wasteful number, since it uses less digits than its factorization.

23330310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89388196 (or 89388193 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23330310021 its reverse (12001303332), we get a palindrome (35331613353).

The spelling of 23330310021 in words is "twenty-three billion, three hundred thirty million, three hundred ten thousand, twenty-one".