133523223454111 has 2 divisors, whose sum is σ = 133523223454112. Its totient is φ = 133523223454110.

The previous prime is 133523223454097. The next prime is 133523223454123. The reversal of 133523223454111 is 111454322325331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133523223454111 - 2¹¹ = 133523223452063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133523223454711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66761611727055 + 66761611727056.

It is an arithmetic number, because the mean of its divisors is an integer number (66761611727056).

Almost surely, 2^{133523223454111} is an apocalyptic number.

133523223454111 is a deficient number, since it is larger than the sum of its proper divisors (1).

133523223454111 is an equidigital number, since it uses as much as digits as its factorization.

133523223454111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

Adding to 133523223454111 its reverse (111454322325331), we get a palindrome (244977545779442).

The spelling of 133523223454111 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, two hundred twenty-three million, four hundred fifty-four thousand, one hundred eleven".