233404423 has 4 divisors (see below), whose sum is σ = 266747920. Its totient is φ = 200060928.

The previous prime is 233404393. The next prime is 233404429. The reversal of 233404423 is 324404332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233404423 - 2¹⁷ = 233273351 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 (233404429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16671738 + ... + 16671751.

It is an arithmetic number, because the mean of its divisors is an integer number (66686980).

Almost surely, 2^233404423 is an apocalyptic number.

233404423 is a deficient number, since it is larger than the sum of its proper divisors (33343497).

233404423 is an equidigital number, since it uses as much as digits as its factorization.

233404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33343496.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 233404423 is about 15277.5790948697. The cubic root of 233404423 is about 615.7007659694.

Adding to 233404423 its reverse (324404332), we get a palindrome (557808755).

Subtracting 233404423 from its reverse (324404332), we obtain a palindrome (90999909).

The spelling of 233404423 in words is "two hundred thirty-three million, four hundred four thousand, four hundred twenty-three".