232212143 has 2 divisors, whose sum is σ = 232212144. Its totient is φ = 232212142.

The previous prime is 232212137. The next prime is 232212157. The reversal of 232212143 is 341212232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232212143 - 2¹² = 232208047 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 (232212173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116106071 + 116106072.

It is an arithmetic number, because the mean of its divisors is an integer number (116106072).

Almost surely, 2^232212143 is an apocalyptic number.

232212143 is a deficient number, since it is larger than the sum of its proper divisors (1).

232212143 is an equidigital number, since it uses as much as digits as its factorization.

232212143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 232212143 is about 15238.5085556297. The cubic root of 232212143 is about 614.6505984554.

Adding to 232212143 its reverse (341212232), we get a palindrome (573424375).

The spelling of 232212143 in words is "two hundred thirty-two million, two hundred twelve thousand, one hundred forty-three".