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1123222223 is a prime number
BaseRepresentation
bin100001011110011…
…0000001011001111
32220021112121020002
41002330300023033
54300021102343
6303242314515
736556142234
oct10274601317
92807477202
101123222223
11527036532
122741b8a3b
1314b921946
14a926578b
15689218b8
hex42f302cf

1123222223 has 2 divisors, whose sum is σ = 1123222224. Its totient is φ = 1123222222.

The previous prime is 1123222211. The next prime is 1123222271. The reversal of 1123222223 is 3222223211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123222223 - 24 = 1123222207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123222195 and 1123222204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123222123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561611111 + 561611112.

It is an arithmetic number, because the mean of its divisors is an integer number (561611112).

Almost surely, 21123222223 is an apocalyptic number.

1123222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123222223 is an equidigital number, since it uses as much as digits as its factorization.

1123222223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 20.

The square root of 1123222223 is about 33514.5076496731. The cubic root of 1123222223 is about 1039.4937819307.

Adding to 1123222223 its reverse (3222223211), we get a palindrome (4345445434).

The spelling of 1123222223 in words is "one billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty-three".