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23305033 is a prime number
BaseRepresentation
bin101100011100…
…1101101001001
31121212000111101
41120321231021
521431230113
62151301401
7402042463
oct130715511
947760441
1023305033
1112178464
12797a861
134a9c87b
143149133
1520a52dd
hex1639b49

23305033 has 2 divisors, whose sum is σ = 23305034. Its totient is φ = 23305032.

The previous prime is 23305027. The next prime is 23305057. The reversal of 23305033 is 33050332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22155849 + 1149184 = 4707^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 23305033 - 221 = 21207881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23305033.

It is not a weakly prime, because it can be changed into another prime (23305013) 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, 11652516 + 11652517.

It is an arithmetic number, because the mean of its divisors is an integer number (11652517).

Almost surely, 223305033 is an apocalyptic number.

It is an amenable number.

23305033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23305033 is an equidigital number, since it uses as much as digits as its factorization.

23305033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 19.

The square root of 23305033 is about 4827.5286638196. The cubic root of 23305033 is about 285.6383883999.

Adding to 23305033 its reverse (33050332), we get a palindrome (56355365).

The spelling of 23305033 in words is "twenty-three million, three hundred five thousand, thirty-three".