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230164123 = 7247139719
BaseRepresentation
bin11011011100000…
…00011010011011
3121001002112211011
431232000122123
5432410222443
634501114351
75463235300
oct1556003233
9531075734
10230164123
11108a15792
12650b89b7
13388b8bb7
14227d50a7
1515316b9d
hexdb8069b

230164123 has 24 divisors (see below), whose sum is σ = 275788800. Its totient is φ = 191430288.

The previous prime is 230164093. The next prime is 230164147. The reversal of 230164123 is 321461032.

230164123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230164123 - 25 = 230164091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230164094 and 230164103.

It is not an unprimeable number, because it can be changed into a prime (230164223) 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, 319758 + ... + 320476.

It is an arithmetic number, because the mean of its divisors is an integer number (11491200).

Almost surely, 2230164123 is an apocalyptic number.

230164123 is a deficient number, since it is larger than the sum of its proper divisors (45624677).

230164123 is a wasteful number, since it uses less digits than its factorization.

230164123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 912 counting only the distinct ones).

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

The square root of 230164123 is about 15171.1608982306. The cubic root of 230164123 is about 612.8382675711.

The spelling of 230164123 in words is "two hundred thirty million, one hundred sixty-four thousand, one hundred twenty-three".

Divisors: 1 7 47 49 139 329 719 973 2303 5033 6533 6811 33793 35231 45731 99941 236551 320117 699587 1655857 4697227 4897109 32880589 230164123