230665996729 has 9 divisors (see below), whose sum is σ = 268329662181. Its totient is φ = 197710829820.

The previous prime is 230665996727. The next prime is 230665996733. The reversal of 230665996729 is 927699566032.

The square root of 230665996729 is 480277.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 230665996729 - 2¹ = 230665996727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230665996727) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3327634 + ... + 3396244.

It is an arithmetic number, because the mean of its divisors is an integer number (29814406909).

Almost surely, 2^230665996729 is an apocalyptic number.

230665996729 is the 480277-th square number.

230665996729 is the 240139-th centered octagonal number.

It is an amenable number.

230665996729 is a deficient number, since it is larger than the sum of its proper divisors (37663665452).

230665996729 is an frugal number, since it uses more digits than its factorization.

230665996729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137236 (or 68618 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 64.

Multiplying 230665996729 by its sum of digits (64), we get a square (14762623790656 = 3842216²).

The spelling of 230665996729 in words is "two hundred thirty billion, six hundred sixty-five million, nine hundred ninety-six thousand, seven hundred twenty-nine".