230651865 has 12 divisors (see below), whose sum is σ = 399796644. Its totient is φ = 123014304.

The previous prime is 230651857. The next prime is 230651867. The reversal of 230651865 is 568156032.

It can be written as a sum of positive squares in 2 ways, for example, as 43837641 + 186814224 = 6621^2 + 13668^2 .

It is not a de Polignac number, because 230651865 - 2³ = 230651857 is a prime.

It is a super-3 number, since 3×230651865³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (230651867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2562754 + ... + 2562843.

It is an arithmetic number, because the mean of its divisors is an integer number (33316387).

Almost surely, 2^230651865 is an apocalyptic number.

It is an amenable number.

230651865 is a deficient number, since it is larger than the sum of its proper divisors (169144779).

230651865 is a wasteful number, since it uses less digits than its factorization.

230651865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125608 (or 5125605 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 230651865 is about 15187.2270345840. The cubic root of 230651865 is about 613.2708517466.

The spelling of 230651865 in words is "two hundred thirty million, six hundred fifty-one thousand, eight hundred sixty-five".