230985375791 has 2 divisors, whose sum is σ = 230985375792. Its totient is φ = 230985375790.

The previous prime is 230985375787. The next prime is 230985375793. The reversal of 230985375791 is 197573589032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230985375791 - 2² = 230985375787 is a prime.

Together with 230985375793, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230985375791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230985375793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115492687895 + 115492687896.

It is an arithmetic number, because the mean of its divisors is an integer number (115492687896).

Almost surely, 2^230985375791 is an apocalyptic number.

230985375791 is a deficient number, since it is larger than the sum of its proper divisors (1).

230985375791 is an equidigital number, since it uses as much as digits as its factorization.

230985375791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 230985375791 in words is "two hundred thirty billion, nine hundred eighty-five million, three hundred seventy-five thousand, seven hundred ninety-one".