163235263 has 2 divisors, whose sum is σ = 163235264. Its totient is φ = 163235262.

The previous prime is 163235257. The next prime is 163235273. The reversal of 163235263 is 362532361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163235263 - 2²¹ = 161138111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163235273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81617631 + 81617632.

It is an arithmetic number, because the mean of its divisors is an integer number (81617632).

Almost surely, 2^163235263 is an apocalyptic number.

163235263 is a deficient number, since it is larger than the sum of its proper divisors (1).

163235263 is an equidigital number, since it uses as much as digits as its factorization.

163235263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

The square root of 163235263 is about 12776.3556227901. The cubic root of 163235263 is about 546.5182400348.

The spelling of 163235263 in words is "one hundred sixty-three million, two hundred thirty-five thousand, two hundred sixty-three".