230247841 has 8 divisors (see below), whose sum is σ = 236258568. Its totient is φ = 224256000.

The previous prime is 230247803. The next prime is 230247859. The reversal of 230247841 is 148742032.

It can be written as a sum of positive squares in 4 ways, for example, as 2117025 + 228130816 = 1455^2 + 15104^2 .

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

It is a 3-Lehmer number, since φ(230247841) divides (230247841-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230247841 is a prime.

It is a super-2 number, since 2×230247841² = 106028136570322562, which contains 22 as substring.

It is a deceptive number, since it divides R_230247840.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230247341) 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, 21901 + ... + 30661.

It is an arithmetic number, because the mean of its divisors is an integer number (29532321).

Almost surely, 2^230247841 is an apocalyptic number.

230247841 is the 8761-st octagonal number.

It is an amenable number.

230247841 is a deficient number, since it is larger than the sum of its proper divisors (6010727).

230247841 is an equidigital number, since it uses as much as digits as its factorization.

230247841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 230247841 is about 15173.9197638580. The cubic root of 230247841 is about 612.9125614767.

Adding to 230247841 its reverse (148742032), we get a palindrome (378989873).

The spelling of 230247841 in words is "two hundred thirty million, two hundred forty-seven thousand, eight hundred forty-one".