133521125323 has 2 divisors, whose sum is σ = 133521125324. Its totient is φ = 133521125322.

The previous prime is 133521125317. The next prime is 133521125347. The reversal of 133521125323 is 323521125331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133521125323 - 2²⁵ = 133487570891 is a prime.

It is not a weakly prime, because it can be changed into another prime (133521125363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66760562661 + 66760562662.

It is an arithmetic number, because the mean of its divisors is an integer number (66760562662).

Almost surely, 2^133521125323 is an apocalyptic number.

133521125323 is a deficient number, since it is larger than the sum of its proper divisors (1).

133521125323 is an equidigital number, since it uses as much as digits as its factorization.

133521125323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The spelling of 133521125323 in words is "one hundred thirty-three billion, five hundred twenty-one million, one hundred twenty-five thousand, three hundred twenty-three".