233201001 has 12 divisors (see below), whose sum is σ = 341771696. Its totient is φ = 141333720.

The previous prime is 233200949. The next prime is 233201009. The reversal of 233201001 is 100102332.

It is a happy number.

It is not a de Polignac number, because 233201001 - 2⁹ = 233200489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (233201009) 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 11 ways as a sum of consecutive naturals, for example, 320851 + ... + 321576.

Almost surely, 2^233201001 is an apocalyptic number.

It is an amenable number.

233201001 is a deficient number, since it is larger than the sum of its proper divisors (108570695).

233201001 is a wasteful number, since it uses less digits than its factorization.

233201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642452 (or 642441 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 233201001 is about 15270.9201098035. The cubic root of 233201001 is about 615.5218440745.

Adding to 233201001 its reverse (100102332), we get a palindrome (333303333).

The spelling of 233201001 in words is "two hundred thirty-three million, two hundred one thousand, one".