Search a number
-
+
23102120441 is a prime number
BaseRepresentation
bin10101100000111111…
…100110000111111001
32012122000201022111102
4111200333212013321
5334303120323231
614340222341145
71445330532551
oct254077460771
965560638442
1023102120441
1198855aa024
124588a2a7b5
132242295b6a
1411922b2161
15903282acb
hex560fe61f9

23102120441 has 2 divisors, whose sum is σ = 23102120442. Its totient is φ = 23102120440.

The previous prime is 23102120413. The next prime is 23102120479. The reversal of 23102120441 is 14402120132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18215551225 + 4886569216 = 134965^2 + 69904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23102120441 is a prime.

It is not a weakly prime, because it can be changed into another prime (23102120401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551060220 + 11551060221.

It is an arithmetic number, because the mean of its divisors is an integer number (11551060221).

Almost surely, 223102120441 is an apocalyptic number.

It is an amenable number.

23102120441 is a deficient number, since it is larger than the sum of its proper divisors (1).

23102120441 is an equidigital number, since it uses as much as digits as its factorization.

23102120441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23102120441 its reverse (14402120132), we get a palindrome (37504240573).

The spelling of 23102120441 in words is "twenty-three billion, one hundred two million, one hundred twenty thousand, four hundred forty-one".