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230231323 = 7173375741
BaseRepresentation
bin11011011100100…
…00110100011011
3121001012222000001
431232100310123
5432414400243
634502353431
75463635230
oct1556206433
9531188001
10230231323
11108a61223
126512b877
133891066a
1422811787
151532ba4d
hexdb90d1b

230231323 has 16 divisors (see below), whose sum is σ = 279474624. Its totient is φ = 185149440.

The previous prime is 230231299. The next prime is 230231347. The reversal of 230231323 is 323132032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230231299) and next prime (230231347).

It is not a de Polignac number, because 230231323 - 29 = 230230811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230231323.

It is not an unprimeable number, because it can be changed into a prime (230231383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37233 + ... + 42973.

It is an arithmetic number, because the mean of its divisors is an integer number (17467164).

Almost surely, 2230231323 is an apocalyptic number.

230231323 is a deficient number, since it is larger than the sum of its proper divisors (49243301).

230231323 is a wasteful number, since it uses less digits than its factorization.

230231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 230231323 is about 15173.3754649386. The cubic root of 230231323 is about 612.8979043261.

Adding to 230231323 its reverse (323132032), we get a palindrome (553363355).

The spelling of 230231323 in words is "two hundred thirty million, two hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 7 17 119 337 2359 5729 5741 40103 40187 97597 683179 1934717 13543019 32890189 230231323