201230033 has 4 divisors (see below), whose sum is σ = 204528948. Its totient is φ = 197931120.

The previous prime is 201229997. The next prime is 201230063. The reversal of 201230033 is 330032102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330032102 = 2 ⋅165016051.

It can be written as a sum of positive squares in 2 ways, for example, as 90307009 + 110923024 = 9503^2 + 10532^2 .

It is a cyclic number.

It is not a de Polignac number, because 201230033 - 2¹⁶ = 201164497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201230063) 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 3 ways as a sum of consecutive naturals, for example, 1649366 + ... + 1649487.

It is an arithmetic number, because the mean of its divisors is an integer number (51132237).

Almost surely, 2^201230033 is an apocalyptic number.

It is an amenable number.

201230033 is a deficient number, since it is larger than the sum of its proper divisors (3298915).

201230033 is an equidigital number, since it uses as much as digits as its factorization.

201230033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298914.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 201230033 is about 14185.5571973751. The cubic root of 201230033 is about 585.9999776740. Note that the first 4 decimals are identical.

Adding to 201230033 its reverse (330032102), we get a palindrome (531262135).

The spelling of 201230033 in words is "two hundred one million, two hundred thirty thousand, thirty-three".