230443641 has 6 divisors (see below), whose sum is σ = 332863050. Its totient is φ = 153629088.

The previous prime is 230443639. The next prime is 230443643. The reversal of 230443641 is 146344032.

It is an interprime number because it is at equal distance from previous prime (230443639) and next prime (230443643).

It can be written as a sum of positive squares in only one way, i.e., 139145616 + 91298025 = 11796^2 + 9555^2 .

It is not a de Polignac number, because 230443641 - 2¹ = 230443639 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230443643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12802416 + ... + 12802433.

It is an arithmetic number, because the mean of its divisors is an integer number (55477175).

Almost surely, 2^230443641 is an apocalyptic number.

It is an amenable number.

230443641 is a deficient number, since it is larger than the sum of its proper divisors (102419409).

230443641 is a wasteful number, since it uses less digits than its factorization.

230443641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25604855 (or 25604852 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 230443641 is about 15180.3702524016. The cubic root of 230443641 is about 613.0862500800.

Adding to 230443641 its reverse (146344032), we get a palindrome (376787673).

The spelling of 230443641 in words is "two hundred thirty million, four hundred forty-three thousand, six hundred forty-one".