Search a number
-
+
23323213 is a prime number
BaseRepresentation
bin101100011111…
…0001001001101
31121212221102201
41120332021031
521432320323
62151521501
7402146464
oct130761115
947787381
1023323213
1112190091
127989291
134aa7c24
1431519db
1520aa8ad
hex163e24d

23323213 has 2 divisors, whose sum is σ = 23323214. Its totient is φ = 23323212.

The previous prime is 23323207. The next prime is 23323229. The reversal of 23323213 is 31232332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16337764 + 6985449 = 4042^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323213 - 29 = 23322701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23323613) 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, 11661606 + 11661607.

It is an arithmetic number, because the mean of its divisors is an integer number (11661607).

Almost surely, 223323213 is an apocalyptic number.

It is an amenable number.

23323213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323213 is an equidigital number, since it uses as much as digits as its factorization.

23323213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 19.

The square root of 23323213 is about 4829.4112477610. The cubic root of 23323213 is about 285.7126435501.

Adding to 23323213 its reverse (31232332), we get a palindrome (54555545).

The spelling of 23323213 in words is "twenty-three million, three hundred twenty-three thousand, two hundred thirteen".