230911871 has 2 divisors, whose sum is σ = 230911872. Its totient is φ = 230911870.

The previous prime is 230911861. The next prime is 230911897. The reversal of 230911871 is 178119032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230911871 - 2¹⁴ = 230895487 is a prime.

It is a Sophie Germain 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 (230911801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115455935 + 115455936.

It is an arithmetic number, because the mean of its divisors is an integer number (115455936).

Almost surely, 2^230911871 is an apocalyptic number.

230911871 is a deficient number, since it is larger than the sum of its proper divisors (1).

230911871 is an equidigital number, since it uses as much as digits as its factorization.

230911871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 230911871 is about 15195.7846457496. The cubic root of 230911871 is about 613.5012050004.

The spelling of 230911871 in words is "two hundred thirty million, nine hundred eleven thousand, eight hundred seventy-one".