231708263 has 2 divisors, whose sum is σ = 231708264. Its totient is φ = 231708262.

The previous prime is 231708247. The next prime is 231708341. The reversal of 231708263 is 362807132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231708263 - 2⁴ = 231708247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231708863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115854131 + 115854132.

It is an arithmetic number, because the mean of its divisors is an integer number (115854132).

Almost surely, 2^231708263 is an apocalyptic number.

231708263 is a deficient number, since it is larger than the sum of its proper divisors (1).

231708263 is an equidigital number, since it uses as much as digits as its factorization.

231708263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 231708263 is about 15221.9664629771. The cubic root of 231708263 is about 614.2056971903.

The spelling of 231708263 in words is "two hundred thirty-one million, seven hundred eight thousand, two hundred sixty-three".