233440213 has 8 divisors (see below), whose sum is σ = 246638720. Its totient is φ = 220332960.

The previous prime is 233440187. The next prime is 233440219. The reversal of 233440213 is 312044332.

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 233440213 - 2¹³ = 233432021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233440219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17520 + ... + 27817.

It is an arithmetic number, because the mean of its divisors is an integer number (30829840).

Almost surely, 2^233440213 is an apocalyptic number.

It is an amenable number.

233440213 is a deficient number, since it is larger than the sum of its proper divisors (13198507).

233440213 is a wasteful number, since it uses less digits than its factorization.

233440213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45627.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 233440213 is about 15278.7503742944. The cubic root of 233440213 is about 615.7322346735.

Adding to 233440213 its reverse (312044332), we get a palindrome (545484545).

The spelling of 233440213 in words is "two hundred thirty-three million, four hundred forty thousand, two hundred thirteen".