230143433 has 8 divisors (see below), whose sum is σ = 262426248. Its totient is φ = 199943424.

The previous prime is 230143427. The next prime is 230143453. The reversal of 230143433 is 334341032.

It can be written as a sum of positive squares in 4 ways, for example, as 58323769 + 171819664 = 7637^2 + 13108^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230143433 - 2⁶ = 230143369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230143399 and 230143408.

It is not an unprimeable number, because it can be changed into a prime (230143453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520466 + ... + 520907.

It is an arithmetic number, because the mean of its divisors is an integer number (32803281).

Almost surely, 2^230143433 is an apocalyptic number.

It is an amenable number.

230143433 is a deficient number, since it is larger than the sum of its proper divisors (32282815).

230143433 is a wasteful number, since it uses less digits than its factorization.

230143433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041403.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 230143433 is about 15170.4789970521. The cubic root of 230143433 is about 612.8199038581.

Adding to 230143433 its reverse (334341032), we get a palindrome (564484465).

The spelling of 230143433 in words is "two hundred thirty million, one hundred forty-three thousand, four hundred thirty-three".