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123213231141 = 371113191214817
BaseRepresentation
bin111001011000000010…
…1001011010000100101
3102210000221102122222020
41302300011023100211
54004320041344031
6132334155053353
711621224120140
oct1626005132045
9383027378866
10123213231141
1148288725250
121ba67a41259
13b807b09380
145d6bdb7057
153312119096
hex1cb014b425

123213231141 has 64 divisors (see below), whose sum is σ = 221733421056. Its totient is φ = 58773657600.

The previous prime is 123213231139. The next prime is 123213231149. The reversal of 123213231141 is 141132312321.

It is not a de Polignac number, because 123213231141 - 21 = 123213231139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213231149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466165 + ... + 680981.

It is an arithmetic number, because the mean of its divisors is an integer number (3464584704).

Almost surely, 2123213231141 is an apocalyptic number.

123213231141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123213231141 is a deficient number, since it is larger than the sum of its proper divisors (98520189915).

123213231141 is a wasteful number, since it uses less digits than its factorization.

123213231141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215042.

The product of its digits is 864, while the sum is 24.

Adding to 123213231141 its reverse (141132312321), we get a palindrome (264345543462).

The spelling of 123213231141 in words is "one hundred twenty-three billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred forty-one".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 191 231 273 429 573 1001 1337 2101 2483 3003 4011 6303 7449 14707 17381 27313 44121 52143 81939 191191 214817 573573 644451 1503719 2362987 2792621 4511157 7088961 8377863 16540909 19548347 30718831 41030047 49622727 58645041 92156493 123090141 215031817 287210329 451330517 533390611 645095451 861630987 1353991551 1600171833 3159313619 3733734277 5867296721 9477940857 11201202831 17601890163 41071077047 123213231141