230143330 has 16 divisors (see below), whose sum is σ = 425454840. Its totient is φ = 89569152.

The previous prime is 230143327. The next prime is 230143337. The reversal of 230143330 is 33341032.

It can be written as a sum of positive squares in 4 ways, for example, as 225870841 + 4272489 = 15029^2 + 2067^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230143298 and 230143307.

It is not an unprimeable number, because it can be changed into a prime (230143337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 310635 + ... + 311374.

Almost surely, 2^230143330 is an apocalyptic number.

230143330 is a deficient number, since it is larger than the sum of its proper divisors (195311510).

230143330 is a wasteful number, since it uses less digits than its factorization.

230143330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622053.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 230143330 is about 15170.4756023007. The cubic root of 230143330 is about 612.8198124362.

Adding to 230143330 its reverse (33341032), we get a palindrome (263484362).

The spelling of 230143330 in words is "two hundred thirty million, one hundred forty-three thousand, three hundred thirty".