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2123343241 is a prime number
BaseRepresentation
bin111111010001111…
…1010010110001001
312110222110000100021
41332203322112021
513322033440431
6550410340441
7103422056035
oct17643722611
95428400307
102123343241
1199a632228
124b312a721
1327aba1c26
141620051c5
15c6628b11
hex7e8fa589

2123343241 has 2 divisors, whose sum is σ = 2123343242. Its totient is φ = 2123343240.

The previous prime is 2123343239. The next prime is 2123343251. The reversal of 2123343241 is 1423433212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1650715641 + 472627600 = 40629^2 + 21740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123343241 - 21 = 2123343239 is a prime.

Together with 2123343239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2123343251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061671620 + 1061671621.

It is an arithmetic number, because the mean of its divisors is an integer number (1061671621).

Almost surely, 22123343241 is an apocalyptic number.

It is an amenable number.

2123343241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123343241 is an equidigital number, since it uses as much as digits as its factorization.

2123343241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 2123343241 is about 46079.7487080822. The cubic root of 2123343241 is about 1285.3065912899.

Adding to 2123343241 its reverse (1423433212), we get a palindrome (3546776453).

The spelling of 2123343241 in words is "two billion, one hundred twenty-three million, three hundred forty-three thousand, two hundred forty-one".