233043121 has 4 divisors (see below), whose sum is σ = 233075200. Its totient is φ = 233011044.

The previous prime is 233043077. The next prime is 233043137. The reversal of 233043121 is 121340332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 233043121 - 2¹⁷ = 232912049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233040121) 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 3 ways as a sum of consecutive naturals, for example, 640 + ... + 21598.

It is an arithmetic number, because the mean of its divisors is an integer number (58268800).

Almost surely, 2^233043121 is an apocalyptic number.

It is an amenable number.

233043121 is a deficient number, since it is larger than the sum of its proper divisors (32079).

233043121 is a wasteful number, since it uses less digits than its factorization.

233043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 233043121 is about 15265.7499324468. The cubic root of 233043121 is about 615.3829073819.

Adding to 233043121 its reverse (121340332), we get a palindrome (354383453).

It can be divided in two parts, 2330 and 43121, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 233043121 in words is "two hundred thirty-three million, forty-three thousand, one hundred twenty-one".