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123320230 = 25111121093
BaseRepresentation
bin1110101100110…
…11011110100110
322121001022112221
413112123132212
5223032221410
620123102554
73025130125
oct726333646
9277038487
10123320230
116367a350
1235371a5a
131c71a267
1412541abc
15ac5e4da
hex759b7a6

123320230 has 16 divisors (see below), whose sum is σ = 242156304. Its totient is φ = 44843680.

The previous prime is 123320221. The next prime is 123320231. The reversal of 123320230 is 32023321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560437 + ... + 560656.

It is an arithmetic number, because the mean of its divisors is an integer number (15134769).

Almost surely, 2123320230 is an apocalyptic number.

123320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123320230 is a deficient number, since it is larger than the sum of its proper divisors (118836074).

123320230 is a wasteful number, since it uses less digits than its factorization.

123320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121111.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 123320230 is about 11104.9642052552. The cubic root of 123320230 is about 497.7501986378.

Adding to 123320230 its reverse (32023321), we get a palindrome (155343551).

The spelling of 123320230 in words is "one hundred twenty-three million, three hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1121093 2242186 5605465 11210930 12332023 24664046 61660115 123320230