232145663 has 2 divisors, whose sum is σ = 232145664. Its totient is φ = 232145662.

The previous prime is 232145603. The next prime is 232145689. The reversal of 232145663 is 366541232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232145663 - 2²² = 227951359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232145603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116072831 + 116072832.

It is an arithmetic number, because the mean of its divisors is an integer number (116072832).

Almost surely, 2^232145663 is an apocalyptic number.

232145663 is a deficient number, since it is larger than the sum of its proper divisors (1).

232145663 is an equidigital number, since it uses as much as digits as its factorization.

232145663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 232145663 is about 15236.3270836511. The cubic root of 232145663 is about 614.5919367631.

Adding to 232145663 its reverse (366541232), we get a palindrome (598686895).

The spelling of 232145663 in words is "two hundred thirty-two million, one hundred forty-five thousand, six hundred sixty-three".