233140443 has 16 divisors (see below), whose sum is σ = 328285440. Its totient is φ = 146874464.

The previous prime is 233140423. The next prime is 233140471. The reversal of 233140443 is 344041332.

It is a cyclic number.

It is not a de Polignac number, because 233140443 - 2¹⁰ = 233139419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233140423) 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 15 ways as a sum of consecutive naturals, for example, 14628 + ... + 26081.

It is an arithmetic number, because the mean of its divisors is an integer number (20517840).

Almost surely, 2^233140443 is an apocalyptic number.

233140443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

233140443 is a deficient number, since it is larger than the sum of its proper divisors (95144997).

233140443 is a wasteful number, since it uses less digits than its factorization.

233140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40818.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 233140443 is about 15268.9371928763. The cubic root of 233140443 is about 615.4685595707.

Adding to 233140443 its reverse (344041332), we get a palindrome (577181775).

The spelling of 233140443 in words is "two hundred thirty-three million, one hundred forty thousand, four hundred forty-three".