133323163 has 8 divisors (see below), whose sum is σ = 142417008. Its totient is φ = 124368384.

The previous prime is 133323139. The next prime is 133323167. The reversal of 133323163 is 361323331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133323163 - 2¹⁷ = 133192091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133323167) 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 in 7 ways as a sum of consecutive naturals, for example, 32781 + ... + 36622.

It is an arithmetic number, because the mean of its divisors is an integer number (17802126).

Almost surely, 2^133323163 is an apocalyptic number.

133323163 is a deficient number, since it is larger than the sum of its proper divisors (9093845).

133323163 is a wasteful number, since it uses less digits than its factorization.

133323163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69533.

The product of its digits is 2916, while the sum is 25.

The square root of 133323163 is about 11546.5649870427. The cubic root of 133323163 is about 510.8599652281.

Adding to 133323163 its reverse (361323331), we get a palindrome (494646494).

The spelling of 133323163 in words is "one hundred thirty-three million, three hundred twenty-three thousand, one hundred sixty-three".