Search a number
-
+
1223003223 = 321310453019
BaseRepresentation
bin100100011100101…
…1000110001010111
310011020022000000200
41020321120301113
510001042100343
6321205111543
742210233031
oct11071306127
93136260020
101223003223
11578398472
122a16b85b3
131664b9860
14b85dac51
15725814d3
hex48e58c57

1223003223 has 12 divisors (see below), whose sum is σ = 1902449640. Its totient is φ = 752617296.

The previous prime is 1223003207. The next prime is 1223003233. The reversal of 1223003223 is 3223003221.

It is a happy number.

It is not a de Polignac number, because 1223003223 - 24 = 1223003207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223003196 and 1223003205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223003233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5226393 + ... + 5226626.

It is an arithmetic number, because the mean of its divisors is an integer number (158537470).

Almost surely, 21223003223 is an apocalyptic number.

1223003223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1223003223 is a deficient number, since it is larger than the sum of its proper divisors (679446417).

1223003223 is a wasteful number, since it uses less digits than its factorization.

1223003223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10453038 (or 10453035 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1223003223 is about 34971.4629805503. The cubic root of 1223003223 is about 1069.4057966724.

Adding to 1223003223 its reverse (3223003221), we get a palindrome (4446006444).

The spelling of 1223003223 in words is "one billion, two hundred twenty-three million, three thousand, two hundred twenty-three".

Divisors: 1 3 9 13 39 117 10453019 31359057 94077171 135889247 407667741 1223003223