Search a number
-
+
2223112123 is a prime number
BaseRepresentation
bin1000010010000001…
…1111111110111011
312201221011210112001
42010200133332323
514023104041443
61004333001431
7106043066311
oct20440377673
95657153461
102223112123
11a40986051
12520623277
1329576447b
141713760b1
15d0284d4d
hex8481ffbb

2223112123 has 2 divisors, whose sum is σ = 2223112124. Its totient is φ = 2223112122.

The previous prime is 2223112093. The next prime is 2223112141. The reversal of 2223112123 is 3212113222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2223112123 - 229 = 1686241211 is a prime.

It is a super-2 number, since 2×22231121232 = 9884455022859134258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2223112123.

It is not a weakly prime, because it can be changed into another prime (2223112523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111556061 + 1111556062.

It is an arithmetic number, because the mean of its divisors is an integer number (1111556062).

Almost surely, 22223112123 is an apocalyptic number.

2223112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223112123 is an equidigital number, since it uses as much as digits as its factorization.

2223112123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 2223112123 is about 47149.8899574538. The cubic root of 2223112123 is about 1305.1300493307.

Adding to 2223112123 its reverse (3212113222), we get a palindrome (5435225345).

The spelling of 2223112123 in words is "two billion, two hundred twenty-three million, one hundred twelve thousand, one hundred twenty-three".