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23256713 is a prime number
BaseRepresentation
bin101100010110…
…1111010001001
31121202120012202
41120231322021
521423203323
62150245545
7401451554
oct130557211
947676182
1023256713
1112145127
1279568b5
134a8388c
14313569b
152095d28
hex162de89

23256713 has 2 divisors, whose sum is σ = 23256714. Its totient is φ = 23256712.

The previous prime is 23256671. The next prime is 23256743. The reversal of 23256713 is 31765232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18292729 + 4963984 = 4277^2 + 2228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23256713 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23256743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11628356 + 11628357.

It is an arithmetic number, because the mean of its divisors is an integer number (11628357).

Almost surely, 223256713 is an apocalyptic number.

It is an amenable number.

23256713 is a deficient number, since it is larger than the sum of its proper divisors (1).

23256713 is an equidigital number, since it uses as much as digits as its factorization.

23256713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 23256713 is about 4822.5214359295. The cubic root of 23256713 is about 285.4408402729.

The spelling of 23256713 in words is "twenty-three million, two hundred fifty-six thousand, seven hundred thirteen".