23320000321 has 2 divisors, whose sum is σ = 23320000322. Its totient is φ = 23320000320.

The previous prime is 23320000273. The next prime is 23320000331. The reversal of 23320000321 is 12300002332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22062943296 + 1257057025 = 148536^2 + 35455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23320000321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23320000295 and 23320000304.

It is not a weakly prime, because it can be changed into another prime (23320000331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660000160 + 11660000161.

It is an arithmetic number, because the mean of its divisors is an integer number (11660000161).

Almost surely, 2^23320000321 is an apocalyptic number.

It is an amenable number.

23320000321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320000321 is an equidigital number, since it uses as much as digits as its factorization.

23320000321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23320000321 its reverse (12300002332), we get a palindrome (35620002653).

The spelling of 23320000321 in words is "twenty-three billion, three hundred twenty million, three hundred twenty-one", and thus it is an aban number.