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123300221 = 1143260677
BaseRepresentation
bin1110101100101…
…10100101111101
322121000022002212
413112112211331
5223031101341
620122430205
73025014602
oct726264575
9277008085
10123300221
1163666310
1235362365
131c711115
14125386a9
15ac585eb
hex759697d

123300221 has 8 divisors (see below), whose sum is σ = 137637984. Its totient is φ = 109483920.

The previous prime is 123300211. The next prime is 123300227. The reversal of 123300221 is 122003321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123300221 - 218 = 123038077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123300196 and 123300205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300227) 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, 129866 + ... + 130811.

It is an arithmetic number, because the mean of its divisors is an integer number (17204748).

Almost surely, 2123300221 is an apocalyptic number.

123300221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123300221 is a deficient number, since it is larger than the sum of its proper divisors (14337763).

123300221 is a wasteful number, since it uses less digits than its factorization.

123300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260731.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123300221 is about 11104.0632653097. The cubic root of 123300221 is about 497.7232767980.

Adding to 123300221 its reverse (122003321), we get a palindrome (245303542).

The spelling of 123300221 in words is "one hundred twenty-three million, three hundred thousand, two hundred twenty-one".

Divisors: 1 11 43 473 260677 2867447 11209111 123300221