230498999 has 2 divisors, whose sum is σ = 230499000. Its totient is φ = 230498998.

The previous prime is 230498993. The next prime is 230499019. The reversal of 230498999 is 999894032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230498999 is a prime.

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 230498999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230498993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115249499 + 115249500.

It is an arithmetic number, because the mean of its divisors is an integer number (115249500).

Almost surely, 2^230498999 is an apocalyptic number.

230498999 is a deficient number, since it is larger than the sum of its proper divisors (1).

230498999 is an equidigital number, since it uses as much as digits as its factorization.

230498999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 230498999 is about 15182.1934844738. The cubic root of 230498999 is about 613.1353387439.

The spelling of 230498999 in words is "two hundred thirty million, four hundred ninety-eight thousand, nine hundred ninety-nine".