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23080817 is a prime number
BaseRepresentation
bin101100000001…
…0111101110001
31121102121221002
41120002331301
521402041232
62142411345
7400120004
oct130027561
947377832
1023080817
1112034a61
127890b55
134a217b6
1430cb53b
15205db62
hex1602f71

23080817 has 2 divisors, whose sum is σ = 23080818. Its totient is φ = 23080816.

The previous prime is 23080789. The next prime is 23080819. The reversal of 23080817 is 71808032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23078416 + 2401 = 4804^2 + 49^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23080817 is a prime.

It is a super-2 number, since 2×230808172 = 1065448226774978, which contains 22 as substring.

Together with 23080819, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23080817.

It is not a weakly prime, because it can be changed into another prime (23080819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11540408 + 11540409.

It is an arithmetic number, because the mean of its divisors is an integer number (11540409).

Almost surely, 223080817 is an apocalyptic number.

It is an amenable number.

23080817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23080817 is an equidigital number, since it uses as much as digits as its factorization.

23080817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 23080817 is about 4804.2498894208. The cubic root of 23080817 is about 284.7193996197.

Adding to 23080817 its reverse (71808032), we get a palindrome (94888849).

The spelling of 23080817 in words is "twenty-three million, eighty thousand, eight hundred seventeen".