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230623323 = 37236912
BaseRepresentation
bin11011011111100…
…00100001011011
3121001221212201120
431233300201123
5433014421243
634515020323
75500160130
oct1557604133
9531855646
10230623323
111091a9797
126529a6a3
1338a19c08
14228b4587
15153a7c83
hexdbf085b

230623323 has 24 divisors (see below), whose sum is σ = 367236864. Its totient is φ = 125872560.

The previous prime is 230623307. The next prime is 230623339. The reversal of 230623323 is 323326032.

It is an interprime number because it is at equal distance from previous prime (230623307) and next prime (230623339).

It is not a de Polignac number, because 230623323 - 24 = 230623307 is a prime.

It is a super-2 number, since 2×2306233232 = 106374234223124658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230623293 and 230623302.

It is not an unprimeable number, because it can be changed into a prime (230623303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333408 + ... + 334098.

It is an arithmetic number, because the mean of its divisors is an integer number (15301536).

Almost surely, 2230623323 is an apocalyptic number.

230623323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

230623323 is a deficient number, since it is larger than the sum of its proper divisors (136613541).

230623323 is an frugal number, since it uses more digits than its factorization.

230623323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 230623323 is about 15186.2873343026. The cubic root of 230623323 is about 613.2455543159.

Adding to 230623323 its reverse (323326032), we get a palindrome (553949355).

The spelling of 230623323 in words is "two hundred thirty million, six hundred twenty-three thousand, three hundred twenty-three".

Divisors: 1 3 7 21 23 69 161 483 691 2073 4837 14511 15893 47679 111251 333753 477481 1432443 3342367 10027101 10982063 32946189 76874441 230623323