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12223111023 = 3229241194323
BaseRepresentation
bin10110110001000110…
…11101111101101111
31011112211221101010200
423120203131331233
5200013104023043
65340515404543
7611620505124
oct133043357557
934484841120
1012223111023
11520269a252
1224515b3753
1311ca451296
1483d4d874b
154b81427d3
hex2d88ddf6f

12223111023 has 24 divisors (see below), whose sum is σ = 18340299120. Its totient is φ = 7835063040.

The previous prime is 12223110971. The next prime is 12223111039. The reversal of 12223111023 is 32011132221.

It is not a de Polignac number, because 12223111023 - 216 = 12223045487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12223110987 and 12223111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223111223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34261 + ... + 160062.

It is an arithmetic number, because the mean of its divisors is an integer number (764179130).

Almost surely, 212223111023 is an apocalyptic number.

12223111023 is a deficient number, since it is larger than the sum of its proper divisors (6117188097).

12223111023 is a wasteful number, since it uses less digits than its factorization.

12223111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194599 (or 194596 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12223111023 its reverse (32011132221), we get a palindrome (44234243244).

The spelling of 12223111023 in words is "twelve billion, two hundred twenty-three million, one hundred eleven thousand, twenty-three".

Divisors: 1 3 9 29 87 241 261 723 2169 6989 20967 62901 194323 582969 1748907 5635367 16906101 46831843 50718303 140495529 421486587 1358123447 4074370341 12223111023