233534423 has 4 divisors (see below), whose sum is σ = 247271760. Its totient is φ = 219797088.

The previous prime is 233534393. The next prime is 233534437. The reversal of 233534423 is 324435332.

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 233534423 - 2⁶ = 233534359 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 (233534473) 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, 6868643 + ... + 6868676.

It is an arithmetic number, because the mean of its divisors is an integer number (61817940).

Almost surely, 2^233534423 is an apocalyptic number.

233534423 is a deficient number, since it is larger than the sum of its proper divisors (13737337).

233534423 is a wasteful number, since it uses less digits than its factorization.

233534423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13737336.

The product of its digits is 25920, while the sum is 29.

The square root of 233534423 is about 15281.8331033944. The cubic root of 233534423 is about 615.8150543547.

Adding to 233534423 its reverse (324435332), we get a palindrome (557969755).

Subtracting 233534423 from its reverse (324435332), we obtain a palindrome (90900909).

The spelling of 233534423 in words is "two hundred thirty-three million, five hundred thirty-four thousand, four hundred twenty-three".