233421233 has 8 divisors (see below), whose sum is σ = 240246720. Its totient is φ = 226694160.

The previous prime is 233421151. The next prime is 233421239. The reversal of 233421233 is 332124332.

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 233421233 - 2⁸ = 233420977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233421199 and 233421208.

It is not an unprimeable number, because it can be changed into a prime (233421239) 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, 19778 + ... + 29291.

It is an arithmetic number, because the mean of its divisors is an integer number (30030840).

Almost surely, 2^233421233 is an apocalyptic number.

It is an amenable number.

233421233 is a deficient number, since it is larger than the sum of its proper divisors (6825487).

233421233 is an equidigital number, since it uses as much as digits as its factorization.

233421233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49207.

The product of its digits is 2592, while the sum is 23.

The square root of 233421233 is about 15278.1292375736. The cubic root of 233421233 is about 615.7155467253.

Adding to 233421233 its reverse (332124332), we get a palindrome (565545565).

The spelling of 233421233 in words is "two hundred thirty-three million, four hundred twenty-one thousand, two hundred thirty-three".