23200213221 has 24 divisors (see below), whose sum is σ = 33767884800. Its totient is φ = 15348636000.

The previous prime is 23200213159. The next prime is 23200213243. The reversal of 23200213221 is 12231200232.

23200213221 is a `hidden beast` number, since 2 + 320 + 0 + 21 + 322 + 1 = 666.

It is not a de Polignac number, because 23200213221 - 2¹⁰ = 23200212197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23200213194 and 23200213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200213271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1535976 + ... + 1551006.

It is an arithmetic number, because the mean of its divisors is an integer number (1406995200).

Almost surely, 2^23200213221 is an apocalyptic number.

It is an amenable number.

23200213221 is a deficient number, since it is larger than the sum of its proper divisors (10567671579).

23200213221 is a wasteful number, since it uses less digits than its factorization.

23200213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16337 (or 16334 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23200213221 its reverse (12231200232), we get a palindrome (35431413453).

The spelling of 23200213221 in words is "twenty-three billion, two hundred million, two hundred thirteen thousand, two hundred twenty-one".