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23210092121 is a prime number
BaseRepresentation
bin10101100111011011…
…011110011001011001
32012220112212211210112
4111213123132121121
5340013240421441
614355040454105
71451111346026
oct254733363131
965815784715
1023210092121
119930545817
1245b901a335
13225b76ac28
1411a277a54d
1590c9ae4eb
hex5676de659

23210092121 has 2 divisors, whose sum is σ = 23210092122. Its totient is φ = 23210092120.

The previous prime is 23210092111. The next prime is 23210092123. The reversal of 23210092121 is 12129001232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22044825625 + 1165266496 = 148475^2 + 34136^2 .

It is a cyclic number.

It is not a de Polignac number, because 23210092121 - 210 = 23210091097 is a prime.

It is a Sophie Germain prime.

Together with 23210092123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23210092123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605046060 + 11605046061.

It is an arithmetic number, because the mean of its divisors is an integer number (11605046061).

Almost surely, 223210092121 is an apocalyptic number.

It is an amenable number.

23210092121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210092121 is an equidigital number, since it uses as much as digits as its factorization.

23210092121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 23210092121 its reverse (12129001232), we get a palindrome (35339093353).

The spelling of 23210092121 in words is "twenty-three billion, two hundred ten million, ninety-two thousand, one hundred twenty-one".