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230007323 = 72132912451
BaseRepresentation
bin11011011010110…
…10001000011011
3121000210120201202
431231122020123
5432340213243
634453504415
75462013200
oct1555321033
9530716652
10230007323
111089189a7
126504210b
1338862710
1422793ca7
15152d54b8
hexdb5a21b

230007323 has 24 divisors (see below), whose sum is σ = 298100880. Its totient is φ = 175694400.

The previous prime is 230007317. The next prime is 230007347. The reversal of 230007323 is 323700032.

It is not a de Polignac number, because 230007323 - 28 = 230007067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230007295 and 230007304.

It is not an unprimeable number, because it can be changed into a prime (230007373) 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, 12248 + ... + 24698.

It is an arithmetic number, because the mean of its divisors is an integer number (12420870).

Almost surely, 2230007323 is an apocalyptic number.

230007323 is a deficient number, since it is larger than the sum of its proper divisors (68093557).

230007323 is a wasteful number, since it uses less digits than its factorization.

230007323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507 (or 12500 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 230007323 is about 15165.9923183417. The cubic root of 230007323 is about 612.6990699867.

Adding to 230007323 its reverse (323700032), we get a palindrome (553707355).

The spelling of 230007323 in words is "two hundred thirty million, seven thousand, three hundred twenty-three".

Divisors: 1 7 13 29 49 91 203 377 637 1421 2639 12451 18473 87157 161863 361079 610099 1133041 2527553 4694027 7931287 17692871 32858189 230007323