133023008 has 12 divisors (see below), whose sum is σ = 261889110. Its totient is φ = 66511488.

The previous prime is 133023001. The next prime is 133023017. The reversal of 133023008 is 800320331.

It can be written as a sum of positive squares in only one way, i.e., 131515024 + 1507984 = 11468^2 + 1228^2 .

It is not an unprimeable number, because it can be changed into a prime (133023001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078453 + ... + 2078516.

Almost surely, 2^133023008 is an apocalyptic number.

It is an amenable number.

133023008 is a deficient number, since it is larger than the sum of its proper divisors (128866102).

133023008 is an equidigital number, since it uses as much as digits as its factorization.

133023008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156979 (or 4156971 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133023008 is about 11533.5600748425. The cubic root of 133023008 is about 510.4763049933.

Adding to 133023008 its reverse (800320331), we get a palindrome (933343339).

The spelling of 133023008 in words is "one hundred thirty-three million, twenty-three thousand, eight".