233130143 has 2 divisors, whose sum is σ = 233130144. Its totient is φ = 233130142.

The previous prime is 233130127. The next prime is 233130167. The reversal of 233130143 is 341031332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233130143 - 2⁴ = 233130127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233130193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116565071 + 116565072.

It is an arithmetic number, because the mean of its divisors is an integer number (116565072).

Almost surely, 2^233130143 is an apocalyptic number.

233130143 is a deficient number, since it is larger than the sum of its proper divisors (1).

233130143 is an equidigital number, since it uses as much as digits as its factorization.

233130143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 233130143 is about 15268.5999030690. The cubic root of 233130143 is about 615.4594957643.

Adding to 233130143 its reverse (341031332), we get a palindrome (574161475).

The spelling of 233130143 in words is "two hundred thirty-three million, one hundred thirty thousand, one hundred forty-three".