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1223243134230 = 235138633634439
BaseRepresentation
bin10001110011001110111…
…110001111010100010110
311022221101220202200000210
4101303032332033110112
5130020200220243410
62333541121350250
7154243051040535
oct21631676172426
94287356680023
101223243134230
1143185794a937
121790a5798386
138b474b54480
14432c342631c
1521c45525220
hex11ccef8f516

1223243134230 has 64 divisors (see below), whose sum is σ = 3165277409280. Its totient is φ = 300757013376.

The previous prime is 1223243134193. The next prime is 1223243134237. The reversal of 1223243134230 is 324313423221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223243134237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1480650 + ... + 2153789.

It is an arithmetic number, because the mean of its divisors is an integer number (49457459520).

Almost surely, 21223243134230 is an apocalyptic number.

1223243134230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223243134230 is an abundant number, since it is smaller than the sum of its proper divisors (1942034275050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223243134230 is a wasteful number, since it uses less digits than its factorization.

1223243134230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635325.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1223243134230 its reverse (324313423221), we get a palindrome (1547556557451).

The spelling of 1223243134230 in words is "one trillion, two hundred twenty-three billion, two hundred forty-three million, one hundred thirty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 863 1726 2589 4315 5178 8630 11219 12945 22438 25890 33657 56095 67314 112190 168285 336570 3634439 7268878 10903317 18172195 21806634 36344390 47247707 54516585 94495414 109033170 141743121 236238535 283486242 472477070 708715605 1417431210 3136520857 6273041714 9409562571 15682604285 18819125142 31365208570 40774771141 47047812855 81549542282 94095625710 122324313423 203873855705 244648626846 407747711410 611621567115 1223243134230