22523202521143 has 2 divisors, whose sum is σ = 22523202521144. Its totient is φ = 22523202521142.

The previous prime is 22523202521119. The next prime is 22523202521191. The reversal of 22523202521143 is 34112520232522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22523202521143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22523202521099 and 22523202521108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22523202501143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11261601260571 + 11261601260572.

It is an arithmetic number, because the mean of its divisors is an integer number (11261601260572).

Almost surely, 2^{22523202521143} is an apocalyptic number.

22523202521143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22523202521143 is an equidigital number, since it uses as much as digits as its factorization.

22523202521143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 22523202521143 its reverse (34112520232522), we get a palindrome (56635722753665).

The spelling of 22523202521143 in words is "twenty-two trillion, five hundred twenty-three billion, two hundred two million, five hundred twenty-one thousand, one hundred forty-three".