23200340321 has 2 divisors, whose sum is σ = 23200340322. Its totient is φ = 23200340320.

The previous prime is 23200340291. The next prime is 23200340341. The reversal of 23200340321 is 12304300232.

It is an a-pointer prime, because the next prime (23200340341) can be obtained adding 23200340321 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17131930321 + 6068410000 = 130889^2 + 77900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23200340321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23200340293 and 23200340302.

It is not a weakly prime, because it can be changed into another prime (23200340341) 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 as a sum of consecutive naturals, namely, 11600170160 + 11600170161.

It is an arithmetic number, because the mean of its divisors is an integer number (11600170161).

Almost surely, 2^23200340321 is an apocalyptic number.

It is an amenable number.

23200340321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23200340321 is an equidigital number, since it uses as much as digits as its factorization.

23200340321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23200340321 its reverse (12304300232), we get a palindrome (35504640553).

The spelling of 23200340321 in words is "twenty-three billion, two hundred million, three hundred forty thousand, three hundred twenty-one".