233042143 has 4 divisors (see below), whose sum is σ = 236862568. Its totient is φ = 229221720.

The previous prime is 233042129. The next prime is 233042149. The reversal of 233042143 is 341240332.

It is a happy number.

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 233042143 - 2⁵ = 233042111 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 (233042149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910121 + ... + 1910242.

It is an arithmetic number, because the mean of its divisors is an integer number (59215642).

Almost surely, 2^233042143 is an apocalyptic number.

233042143 is a deficient number, since it is larger than the sum of its proper divisors (3820425).

233042143 is an equidigital number, since it uses as much as digits as its factorization.

233042143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820424.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 233042143 is about 15265.7178999220. The cubic root of 233042143 is about 615.3820465321.

Adding to 233042143 its reverse (341240332), we get a palindrome (574282475).

The spelling of 233042143 in words is "two hundred thirty-three million, forty-two thousand, one hundred forty-three".