133534123 has 2 divisors, whose sum is σ = 133534124. Its totient is φ = 133534122.

The previous prime is 133534117. The next prime is 133534129. The reversal of 133534123 is 321435331.

It is a balanced prime because it is at equal distance from previous prime (133534117) and next prime (133534129).

It is a cyclic number.

It is not a de Polignac number, because 133534123 - 2⁵ = 133534091 is a prime.

It is not a weakly prime, because it can be changed into another prime (133534129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66767061 + 66767062.

It is an arithmetic number, because the mean of its divisors is an integer number (66767062).

Almost surely, 2^133534123 is an apocalyptic number.

133534123 is a deficient number, since it is larger than the sum of its proper divisors (1).

133534123 is an equidigital number, since it uses as much as digits as its factorization.

133534123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 133534123 is about 11555.6965605713. The cubic root of 133534123 is about 511.1292713337.

Adding to 133534123 its reverse (321435331), we get a palindrome (454969454).

The spelling of 133534123 in words is "one hundred thirty-three million, five hundred thirty-four thousand, one hundred twenty-three".