230299987 has 2 divisors, whose sum is σ = 230299988. Its totient is φ = 230299986.

The previous prime is 230299973. The next prime is 230300009. The reversal of 230299987 is 789992032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230299987 - 2¹¹ = 230297939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230299987.

It is not a weakly prime, because it can be changed into another prime (230299957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115149993 + 115149994.

It is an arithmetic number, because the mean of its divisors is an integer number (115149994).

Almost surely, 2^230299987 is an apocalyptic number.

230299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

230299987 is an equidigital number, since it uses as much as digits as its factorization.

230299987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 230299987 is about 15175.6379437571. The cubic root of 230299987 is about 612.9588283252.

The spelling of 230299987 in words is "two hundred thirty million, two hundred ninety-nine thousand, nine hundred eighty-seven".