23201444343481 has 2 divisors, whose sum is σ = 23201444343482. Its totient is φ = 23201444343480.

The previous prime is 23201444343439. The next prime is 23201444343503. The reversal of 23201444343481 is 18434344410232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19406315667600 + 3795128675881 = 4405260^2 + 1948109^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201444343481 - 2¹⁵ = 23201444310713 is a prime.

It is a super-2 number, since 2×23201444343481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23201444353481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600722171740 + 11600722171741.

It is an arithmetic number, because the mean of its divisors is an integer number (11600722171741).

Almost surely, 2^{23201444343481} is an apocalyptic number.

It is an amenable number.

23201444343481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201444343481 is an equidigital number, since it uses as much as digits as its factorization.

23201444343481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 23201444343481 in words is "twenty-three trillion, two hundred one billion, four hundred forty-four million, three hundred forty-three thousand, four hundred eighty-one".