23201444243969 has 2 divisors, whose sum is σ = 23201444243970. Its totient is φ = 23201444243968.

The previous prime is 23201444243953. The next prime is 23201444244019. The reversal of 23201444243969 is 96934244410232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17487551603344 + 5713892640625 = 4181812^2 + 2390375^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201444243969 - 2⁴ = 23201444243953 is a prime.

It is a super-2 number, since 2×23201444243969² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23201444243969.

It is not a weakly prime, because it can be changed into another prime (23201441243969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600722121984 + 11600722121985.

It is an arithmetic number, because the mean of its divisors is an integer number (11600722121985).

Almost surely, 2^{23201444243969} is an apocalyptic number.

It is an amenable number.

23201444243969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201444243969 is an equidigital number, since it uses as much as digits as its factorization.

23201444243969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8957952, while the sum is 53.

The spelling of 23201444243969 in words is "twenty-three trillion, two hundred one billion, four hundred forty-four million, two hundred forty-three thousand, nine hundred sixty-nine".