133523233322443 has 32 divisors (see below), whose sum is σ = 140566855532544. Its totient is φ = 126584896217472.

The previous prime is 133523233322399. The next prime is 133523233322473. The reversal of 133523233322443 is 344223332325331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133523233322443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133523233322443.

It is not an unprimeable number, because it can be changed into a prime (133523233322473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15335155096 + ... + 15335163802.

It is an arithmetic number, because the mean of its divisors is an integer number (4392714235392).

Almost surely, 2^{133523233322443} is an apocalyptic number.

133523233322443 is a deficient number, since it is larger than the sum of its proper divisors (7043622210101).

133523233322443 is a wasteful number, since it uses less digits than its factorization.

133523233322443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13531.

The product of its digits is 2799360, while the sum is 43.

Adding to 133523233322443 its reverse (344223332325331), we get a palindrome (477746565647774).

The spelling of 133523233322443 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, two hundred thirty-three million, three hundred twenty-two thousand, four hundred forty-three".