133101523 has 2 divisors, whose sum is σ = 133101524. Its totient is φ = 133101522.

The previous prime is 133101511. The next prime is 133101533. The reversal of 133101523 is 325101331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133101523 - 2¹⁷ = 132970451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133101523.

It is not a weakly prime, because it can be changed into another prime (133101533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66550761 + 66550762.

It is an arithmetic number, because the mean of its divisors is an integer number (66550762).

Almost surely, 2^133101523 is an apocalyptic number.

133101523 is a deficient number, since it is larger than the sum of its proper divisors (1).

133101523 is an equidigital number, since it uses as much as digits as its factorization.

133101523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 133101523 is about 11536.9633352976. The cubic root of 133101523 is about 510.5767191114.

Adding to 133101523 its reverse (325101331), we get a palindrome (458202854).

The spelling of 133101523 in words is "one hundred thirty-three million, one hundred one thousand, five hundred twenty-three".