230009993 has 2 divisors, whose sum is σ = 230009994. Its totient is φ = 230009992.

The previous prime is 230009951. The next prime is 230010013. The reversal of 230009993 is 399900032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133911184 + 96098809 = 11572^2 + 9803^2 .

It is a cyclic number.

It is not a de Polignac number, because 230009993 - 2⁸ = 230009737 is a prime.

It is not a weakly prime, because it can be changed into another prime (230009393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115004996 + 115004997.

It is an arithmetic number, because the mean of its divisors is an integer number (115004997).

Almost surely, 2^230009993 is an apocalyptic number.

It is an amenable number.

230009993 is a deficient number, since it is larger than the sum of its proper divisors (1).

230009993 is an equidigital number, since it uses as much as digits as its factorization.

230009993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 230009993 is about 15166.0803439781. The cubic root of 230009993 is about 612.7014407810.

The spelling of 230009993 in words is "two hundred thirty million, nine thousand, nine hundred ninety-three".