133000523 has 2 divisors, whose sum is σ = 133000524. Its totient is φ = 133000522.

The previous prime is 133000519. The next prime is 133000531. The reversal of 133000523 is 325000331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133000523 - 2² = 133000519 is a prime.

It is not a weakly prime, because it can be changed into another prime (133000423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500261 + 66500262.

It is an arithmetic number, because the mean of its divisors is an integer number (66500262).

Almost surely, 2^133000523 is an apocalyptic number.

133000523 is a deficient number, since it is larger than the sum of its proper divisors (1).

133000523 is an equidigital number, since it uses as much as digits as its factorization.

133000523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 133000523 is about 11532.5852695742. The cubic root of 133000523 is about 510.4475412813.

Adding to 133000523 its reverse (325000331), we get a palindrome (458000854).

The spelling of 133000523 in words is "one hundred thirty-three million, five hundred twenty-three", and thus it is an aban number.