23030210561 has 2 divisors, whose sum is σ = 23030210562. Its totient is φ = 23030210560.

The previous prime is 23030210543. The next prime is 23030210563. The reversal of 23030210561 is 16501203032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22696929025 + 333281536 = 150655^2 + 18256^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030210561 - 2¹⁰ = 23030209537 is a prime.

It is a Sophie Germain prime.

Together with 23030210563, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23030210563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515105280 + 11515105281.

It is an arithmetic number, because the mean of its divisors is an integer number (11515105281).

Almost surely, 2^23030210561 is an apocalyptic number.

It is an amenable number.

23030210561 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030210561 is an equidigital number, since it uses as much as digits as its factorization.

23030210561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 23030210561 its reverse (16501203032), we get a palindrome (39531413593).

The spelling of 23030210561 in words is "twenty-three billion, thirty million, two hundred ten thousand, five hundred sixty-one".