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123352213 is a prime number
BaseRepresentation
bin1110101101000…
…11010010010101
322121002221102111
413112203102111
5223034232323
620123511021
73025322305
oct726432225
9277087374
10123352213
11636a1386
1235388471
131c72b99a
141254d605
15ac68c0d
hex75a3495

123352213 has 2 divisors, whose sum is σ = 123352214. Its totient is φ = 123352212.

The previous prime is 123352189. The next prime is 123352223. The reversal of 123352213 is 312253321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102758769 + 20593444 = 10137^2 + 4538^2 .

It is an emirp because it is prime and its reverse (312253321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123352213 - 25 = 123352181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123352223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61676106 + 61676107.

It is an arithmetic number, because the mean of its divisors is an integer number (61676107).

Almost surely, 2123352213 is an apocalyptic number.

It is an amenable number.

123352213 is a deficient number, since it is larger than the sum of its proper divisors (1).

123352213 is an equidigital number, since it uses as much as digits as its factorization.

123352213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 123352213 is about 11106.4041435561. The cubic root of 123352213 is about 497.7932252863.

The spelling of 123352213 in words is "one hundred twenty-three million, three hundred fifty-two thousand, two hundred thirteen".