233820001 has 8 divisors (see below), whose sum is σ = 244180800. Its totient is φ = 223475472.

The previous prime is 233819959. The next prime is 233820031. The reversal of 233820001 is 100028332.

It is a happy number.

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 233820001 - 2²¹ = 231722849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233820031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32346 + ... + 38908.

It is an arithmetic number, because the mean of its divisors is an integer number (30522600).

Almost surely, 2^233820001 is an apocalyptic number.

It is an amenable number.

233820001 is a deficient number, since it is larger than the sum of its proper divisors (10360799).

233820001 is a wasteful number, since it uses less digits than its factorization.

233820001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 233820001 is about 15291.1739575482. The cubic root of 233820001 is about 616.0659689638.

Adding to 233820001 its reverse (100028332), we get a palindrome (333848333).

The spelling of 233820001 in words is "two hundred thirty-three million, eight hundred twenty thousand, one".