230143209971 has 2 divisors, whose sum is σ = 230143209972. Its totient is φ = 230143209970.

The previous prime is 230143209941. The next prime is 230143210081. The reversal of 230143209971 is 179902341032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230143209971 is a prime.

It is not a weakly prime, because it can be changed into another prime (230143209941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115071604985 + 115071604986.

It is an arithmetic number, because the mean of its divisors is an integer number (115071604986).

Almost surely, 2^230143209971 is an apocalyptic number.

230143209971 is a deficient number, since it is larger than the sum of its proper divisors (1).

230143209971 is an equidigital number, since it uses as much as digits as its factorization.

230143209971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 230143209971 in words is "two hundred thirty billion, one hundred forty-three million, two hundred nine thousand, nine hundred seventy-one".