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123231212011032 = 23314997523353359
BaseRepresentation
bin11100000001010000000000…
…100111011111111000011000
3121011022210022001020102211120
4130001100000213133320120
5112123010010233323112
61114031345352125240
734646106212126046
oct3401200047377030
9534283261212746
10123231212011032
11362a1077604a24
12119a304b696820
13539b86577c308
1422605cb42b396
15e3a7d7556e8c
hex7014009dfe18

123231212011032 has 64 divisors (see below), whose sum is σ = 310149725760000. Its totient is φ = 40800851789184.

The previous prime is 123231212010887. The next prime is 123231212011049. The reversal of 123231212011032 is 230110212132321.

123231212011032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1232312120110322 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 123231212010993 and 123231212011011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348565569 + ... + 348918927.

It is an arithmetic number, because the mean of its divisors is an integer number (4846089465000).

Almost surely, 2123231212011032 is an apocalyptic number.

123231212011032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123231212011032 is an abundant number, since it is smaller than the sum of its proper divisors (186918513748968).

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

123231212011032 is a wasteful number, since it uses less digits than its factorization.

123231212011032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451040 (or 451036 counting only the distinct ones).

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

Adding to 123231212011032 its reverse (230110212132321), we get a palindrome (353341424143353).

The spelling of 123231212011032 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, two hundred twelve million, eleven thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 149 298 447 596 894 1192 1788 3576 97523 195046 292569 353359 390092 585138 706718 780184 1060077 1170276 1413436 2120154 2340552 2826872 4240308 8480616 14530927 29061854 43592781 52650491 58123708 87185562 105300982 116247416 157951473 174371124 210601964 315902946 348742248 421203928 631805892 1263611784 34460629757 68921259514 103381889271 137842519028 206763778542 275685038056 413527557084 827055114168 5134633833793 10269267667586 15403901501379 20538535335172 30807803002758 41077070670344 61615606005516 123231212011032