133166323 has 2 divisors, whose sum is σ = 133166324. Its totient is φ = 133166322.

The previous prime is 133166261. The next prime is 133166351. The reversal of 133166323 is 323661331.

It is an a-pointer prime, because the next prime (133166351) can be obtained adding 133166323 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133166323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133166291 and 133166300.

It is not a weakly prime, because it can be changed into another prime (133166023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66583161 + 66583162.

It is an arithmetic number, because the mean of its divisors is an integer number (66583162).

Almost surely, 2^133166323 is an apocalyptic number.

133166323 is a deficient number, since it is larger than the sum of its proper divisors (1).

133166323 is an equidigital number, since it uses as much as digits as its factorization.

133166323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 28.

The square root of 133166323 is about 11539.7713582202. The cubic root of 133166323 is about 510.6595631514.

The spelling of 133166323 in words is "one hundred thirty-three million, one hundred sixty-six thousand, three hundred twenty-three".