21323113020230 has 16 divisors (see below), whose sum is σ = 43864689641760. Its totient is φ = 7310781606912.

The previous prime is 21323113020197. The next prime is 21323113020233. The reversal of 21323113020230 is 3202031132312.

It is a junction number, because it is equal to n+sod(n) for n = 21323113020196 and 21323113020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323113020233) 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 7 ways as a sum of consecutive naturals, for example, 152307950075 + ... + 152307950214.

It is an arithmetic number, because the mean of its divisors is an integer number (2741543102610).

Almost surely, 2^{21323113020230} is an apocalyptic number.

21323113020230 is an abundant number, since it is smaller than the sum of its proper divisors (22541576621530).

21323113020230 is a wasteful number, since it uses less digits than its factorization.

21323113020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304615900303.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21323113020230 its reverse (3202031132312), we get a palindrome (24525144152542).

The spelling of 21323113020230 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred thirteen million, twenty thousand, two hundred thirty".