233213533 has 8 divisors (see below), whose sum is σ = 270508352. Its totient is φ = 196913376.

The previous prime is 233213521. The next prime is 233213557. The reversal of 233213533 is 335312332.

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 233213533 - 2¹³ = 233205341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233213498 and 233213507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233213503) 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, 248160 + ... + 249097.

It is an arithmetic number, because the mean of its divisors is an integer number (33813544).

Almost surely, 2^233213533 is an apocalyptic number.

It is an amenable number.

233213533 is a deficient number, since it is larger than the sum of its proper divisors (37294819).

233213533 is an equidigital number, since it uses as much as digits as its factorization.

233213533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497331.

The product of its digits is 4860, while the sum is 25.

The square root of 233213533 is about 15271.3304266524. The cubic root of 233213533 is about 615.5328697298.

Adding to 233213533 its reverse (335312332), we get a palindrome (568525865).

The spelling of 233213533 in words is "two hundred thirty-three million, two hundred thirteen thousand, five hundred thirty-three".