230133530 has 48 divisors (see below), whose sum is σ = 460653480. Its totient is φ = 82705920.

The previous prime is 230133521. The next prime is 230133577. The reversal of 230133530 is 35331032.

It can be written as a sum of positive squares in 4 ways, for example, as 85581001 + 144552529 = 9251^2 + 12023^2 .

It is a super-2 number, since 2×230133530² = 105922883260521800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106622 + ... + 108758.

Almost surely, 2^230133530 is an apocalyptic number.

230133530 is an abundant number, since it is smaller than the sum of its proper divisors (230519950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230133530 is a wasteful number, since it uses less digits than its factorization.

230133530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 230133530 is about 15170.1526030558. The cubic root of 230133530 is about 612.8111139157.

Adding to 230133530 its reverse (35331032), we get a palindrome (265464562).

The spelling of 230133530 in words is "two hundred thirty million, one hundred thirty-three thousand, five hundred thirty".