230266993 has 16 divisors (see below), whose sum is σ = 255684672. Its totient is φ = 207345600.

The previous prime is 230266991. The next prime is 230267017. The reversal of 230266993 is 399662032.

It is not a de Polignac number, because 230266993 - 2¹ = 230266991 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230266991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149638 + ... + 151168.

It is an arithmetic number, because the mean of its divisors is an integer number (15980292).

Almost surely, 2^230266993 is an apocalyptic number.

It is an amenable number.

230266993 is a deficient number, since it is larger than the sum of its proper divisors (25417679).

230266993 is a wasteful number, since it uses less digits than its factorization.

230266993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 230266993 is about 15174.5508335502. The cubic root of 230266993 is about 612.9295550141.

The spelling of 230266993 in words is "two hundred thirty million, two hundred sixty-six thousand, nine hundred ninety-three".