234021333 has 16 divisors (see below), whose sum is σ = 384035456. Its totient is φ = 123439680.

The previous prime is 234021323. The next prime is 234021353. The reversal of 234021333 is 333120432.

It is not a de Polignac number, because 234021333 - 2²⁵ = 200466901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234021323) 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 15 ways as a sum of consecutive naturals, for example, 428338 + ... + 428883.

It is an arithmetic number, because the mean of its divisors is an integer number (24002216).

Almost surely, 2^234021333 is an apocalyptic number.

It is an amenable number.

234021333 is a deficient number, since it is larger than the sum of its proper divisors (150014123).

234021333 is a wasteful number, since it uses less digits than its factorization.

234021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857244.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 234021333 is about 15297.7558158051. The cubic root of 234021333 is about 616.2427405690.

Adding to 234021333 its reverse (333120432), we get a palindrome (567141765).

Subtracting 234021333 from its reverse (333120432), we obtain a palindrome (99099099).

The spelling of 234021333 in words is "two hundred thirty-four million, twenty-one thousand, three hundred thirty-three".