133766323 has 2 divisors, whose sum is σ = 133766324. Its totient is φ = 133766322.

The previous prime is 133766293. The next prime is 133766341. The reversal of 133766323 is 323667331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133766323 - 2⁵ = 133766291 is a prime.

It is not a weakly prime, because it can be changed into another prime (133766363) 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, 66883161 + 66883162.

It is an arithmetic number, because the mean of its divisors is an integer number (66883162).

Almost surely, 2^133766323 is an apocalyptic number.

133766323 is a deficient number, since it is larger than the sum of its proper divisors (1).

133766323 is an equidigital number, since it uses as much as digits as its factorization.

133766323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 34.

The square root of 133766323 is about 11565.7391895201. The cubic root of 133766323 is about 511.4253641673.

The spelling of 133766323 in words is "one hundred thirty-three million, seven hundred sixty-six thousand, three hundred twenty-three".