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1323231230 = 25739179057
BaseRepresentation
bin100111011011110…
…1110011111111110
310102012220010000002
41032313232133332
510202221344410
6335145234302
744535164666
oct11667563776
93365803002
101323231230
11619a25232
1230b192992
131811b0079
14c7a4b1a6
157b27d7a5
hex4edee7fe

1323231230 has 16 divisors (see below), whose sum is σ = 2385052560. Its totient is φ = 528573312.

The previous prime is 1323231181. The next prime is 1323231233. The reversal of 1323231230 is 321323231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323231233) 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 7 ways as a sum of consecutive naturals, for example, 82139 + ... + 96918.

It is an arithmetic number, because the mean of its divisors is an integer number (149065785).

Almost surely, 21323231230 is an apocalyptic number.

1323231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323231230 is a deficient number, since it is larger than the sum of its proper divisors (1061821330).

1323231230 is a wasteful number, since it uses less digits than its factorization.

1323231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179803.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1323231230 is about 36376.2454082331. The cubic root of 1323231230 is about 1097.8556655367.

Adding to 1323231230 its reverse (321323231), we get a palindrome (1644554461).

The spelling of 1323231230 in words is "one billion, three hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 739 1478 3695 7390 179057 358114 895285 1790570 132323123 264646246 661615615 1323231230