22623751247161 has 2 divisors, whose sum is σ = 22623751247162. Its totient is φ = 22623751247160.

The previous prime is 22623751247099. The next prime is 22623751247189. The reversal of 22623751247161 is 16174215732622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22253532543225 + 370218703936 = 4717365^2 + 608456^2 .

It is a cyclic number.

It is not a de Polignac number, because 22623751247161 - 2⁴¹ = 20424727991609 is a prime.

It is not a weakly prime, because it can be changed into another prime (22623751287161) 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, 11311875623580 + 11311875623581.

It is an arithmetic number, because the mean of its divisors is an integer number (11311875623581).

Almost surely, 2^{22623751247161} is an apocalyptic number.

It is an amenable number.

22623751247161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22623751247161 is an equidigital number, since it uses as much as digits as its factorization.

22623751247161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

Adding to 22623751247161 its reverse (16174215732622), we get a palindrome (38797966979783).

The spelling of 22623751247161 in words is "twenty-two trillion, six hundred twenty-three billion, seven hundred fifty-one million, two hundred forty-seven thousand, one hundred sixty-one".