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230323801 = 311740591
BaseRepresentation
bin11011011101001…
…11011001011001
3121001101122212011
431232213121121
5432430330201
634504345521
75464501651
oct1556473131
9531348764
10230323801
11109014754
12651752a1
1338943796
1422837361
1515349151
hexdba7659

230323801 has 4 divisors (see below), whose sum is σ = 231064704. Its totient is φ = 229582900.

The previous prime is 230323799. The next prime is 230323843. The reversal of 230323801 is 108323032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230323801 - 21 = 230323799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230323201) 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 3 ways as a sum of consecutive naturals, for example, 369985 + ... + 370606.

It is an arithmetic number, because the mean of its divisors is an integer number (57766176).

Almost surely, 2230323801 is an apocalyptic number.

It is an amenable number.

230323801 is a deficient number, since it is larger than the sum of its proper divisors (740903).

230323801 is an equidigital number, since it uses as much as digits as its factorization.

230323801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740902.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 230323801 is about 15176.4225362896. The cubic root of 230323801 is about 612.9799551152.

Adding to 230323801 its reverse (108323032), we get a palindrome (338646833).

The spelling of 230323801 in words is "two hundred thirty million, three hundred twenty-three thousand, eight hundred one".

Divisors: 1 311 740591 230323801