Search a number
-
+
23023010233 = 24179525449
BaseRepresentation
bin10101011100010001…
…110100000110111001
32012102111212002200201
4111130101310012321
5334122342311413
614324315002201
71443350233546
oct253421640671
965374762621
1023023010233
119844986393
124566439361
13222ba877a2
14118599bbcd
158eb3579dd
hex55c4741b9

23023010233 has 4 divisors (see below), whose sum is σ = 23032538100. Its totient is φ = 23013482368.

The previous prime is 23023010209. The next prime is 23023010243. The reversal of 23023010233 is 33201032032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10287436329 + 12735573904 = 101427^2 + 112852^2 .

It is a cyclic number.

It is not a de Polignac number, because 23023010233 - 233 = 14433075641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23023010233.

It is not an unprimeable number, because it can be changed into a prime (23023010243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760308 + ... + 4765141.

It is an arithmetic number, because the mean of its divisors is an integer number (5758134525).

Almost surely, 223023010233 is an apocalyptic number.

It is an amenable number.

23023010233 is a deficient number, since it is larger than the sum of its proper divisors (9527867).

23023010233 is an equidigital number, since it uses as much as digits as its factorization.

23023010233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527866.

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

Adding to 23023010233 its reverse (33201032032), we get a palindrome (56224042265).

The spelling of 23023010233 in words is "twenty-three billion, twenty-three million, ten thousand, two hundred thirty-three".

Divisors: 1 2417 9525449 23023010233