232223143 has 2 divisors, whose sum is σ = 232223144. Its totient is φ = 232223142.

The previous prime is 232223129. The next prime is 232223153. The reversal of 232223143 is 341322232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232223143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232223153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116111571 + 116111572.

It is an arithmetic number, because the mean of its divisors is an integer number (116111572).

Almost surely, 2^232223143 is an apocalyptic number.

232223143 is a deficient number, since it is larger than the sum of its proper divisors (1).

232223143 is an equidigital number, since it uses as much as digits as its factorization.

232223143 is an evil number, because the sum of its binary digits is even.

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

The square root of 232223143 is about 15238.8694790657. The cubic root of 232223143 is about 614.6603037329.

Adding to 232223143 its reverse (341322232), we get a palindrome (573545375).

The spelling of 232223143 in words is "two hundred thirty-two million, two hundred twenty-three thousand, one hundred forty-three".