Search a number
-
+
230223321 = 3241961051
BaseRepresentation
bin11011011100011…
…10110111011001
3121001012120000200
431232032313121
5432414121241
634502252413
75463603006
oct1556166731
9531176020
10230223321
11108a56209
1265127109
1338909b23
142280c8ad
15153294b6
hexdb8edd9

230223321 has 12 divisors (see below), whose sum is σ = 333343920. Its totient is φ = 153113400.

The previous prime is 230223317. The next prime is 230223341. The reversal of 230223321 is 123322032.

It is a happy number.

It is not a de Polignac number, because 230223321 - 22 = 230223317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230223294 and 230223303.

It is not an unprimeable number, because it can be changed into a prime (230223311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26755 + ... + 34296.

It is an arithmetic number, because the mean of its divisors is an integer number (27778660).

Almost surely, 2230223321 is an apocalyptic number.

It is an amenable number.

230223321 is a deficient number, since it is larger than the sum of its proper divisors (103120599).

230223321 is a wasteful number, since it uses less digits than its factorization.

230223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61476 (or 61473 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 230223321 is about 15173.1117770878. Note that the first 3 decimals coincide. The cubic root of 230223321 is about 612.8908035463.

Adding to 230223321 its reverse (123322032), we get a palindrome (353545353).

The spelling of 230223321 in words is "two hundred thirty million, two hundred twenty-three thousand, three hundred twenty-one".

Divisors: 1 3 9 419 1257 3771 61051 183153 549459 25580369 76741107 230223321