Search a number
-
+
23253647 is a prime number
BaseRepresentation
bin101100010110…
…1001010001111
31121202102000012
41120231022033
521423104042
62150223435
7401436614
oct130551217
947672005
1023253647
111214289a
127954b7b
134a82371
14313450b
152094e82
hex162d28f

23253647 has 2 divisors, whose sum is σ = 23253648. Its totient is φ = 23253646.

The previous prime is 23253641. The next prime is 23253661. The reversal of 23253647 is 74635232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23253647 - 24 = 23253631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23253641) 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, 11626823 + 11626824.

It is an arithmetic number, because the mean of its divisors is an integer number (11626824).

Almost surely, 223253647 is an apocalyptic number.

23253647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23253647 is an equidigital number, since it uses as much as digits as its factorization.

23253647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 23253647 is about 4822.2035419505. The cubic root of 23253647 is about 285.4282962234.

Adding to 23253647 its reverse (74635232), we get a palindrome (97888879).

The spelling of 23253647 in words is "twenty-three million, two hundred fifty-three thousand, six hundred forty-seven".