233020231 has 8 divisors (see below), whose sum is σ = 236660400. Its totient is φ = 229406400.

The previous prime is 233020223. The next prime is 233020289. The reversal of 233020231 is 132020332.

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

It is not a de Polignac number, because 233020231 - 2³ = 233020223 is a prime.

It is a super-2 number, since 2×233020231² = 108596856110586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233020201) 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, 11635 + ... + 24523.

It is an arithmetic number, because the mean of its divisors is an integer number (29582550).

Almost surely, 2^233020231 is an apocalyptic number.

233020231 is a deficient number, since it is larger than the sum of its proper divisors (3640169).

233020231 is a wasteful number, since it uses less digits than its factorization.

233020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13169.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 233020231 is about 15265.0001965280. Note that the first 3 decimals coincide. The cubic root of 233020231 is about 615.3627586416.

Adding to 233020231 its reverse (132020332), we get a palindrome (365040563).

The spelling of 233020231 in words is "two hundred thirty-three million, twenty thousand, two hundred thirty-one".