232820443 has 2 divisors, whose sum is σ = 232820444. Its totient is φ = 232820442.

The previous prime is 232820429. The next prime is 232820449. The reversal of 232820443 is 344028232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232820443 is a prime.

It is not a weakly prime, because it can be changed into another prime (232820449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116410221 + 116410222.

It is an arithmetic number, because the mean of its divisors is an integer number (116410222).

Almost surely, 2^232820443 is an apocalyptic number.

232820443 is a deficient number, since it is larger than the sum of its proper divisors (1).

232820443 is an equidigital number, since it uses as much as digits as its factorization.

232820443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 232820443 is about 15258.4548038129. The cubic root of 232820443 is about 615.1868408007.

Adding to 232820443 its reverse (344028232), we get a palindrome (576848675).

The spelling of 232820443 in words is "two hundred thirty-two million, eight hundred twenty thousand, four hundred forty-three".