230133566 has 16 divisors (see below), whose sum is σ = 372514464. Its totient is φ = 105998304.

The previous prime is 230133521. The next prime is 230133577. The reversal of 230133566 is 665331032.

It is a happy number.

It is a super-2 number, since 2×230133566² = 105922916399752712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280 + ... + 21876.

It is an arithmetic number, because the mean of its divisors is an integer number (23282154).

Almost surely, 2^230133566 is an apocalyptic number.

230133566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

230133566 is a deficient number, since it is larger than the sum of its proper divisors (142380898).

230133566 is a wasteful number, since it uses less digits than its factorization.

230133566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18115.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 230133566 is about 15170.1537895962. The cubic root of 230133566 is about 612.8111458699.

Adding to 230133566 its reverse (665331032), we get a palindrome (895464598).

The spelling of 230133566 in words is "two hundred thirty million, one hundred thirty-three thousand, five hundred sixty-six".