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123211420232 = 2321817705937
BaseRepresentation
bin111001010111111111…
…0010001001001001000
3102210000211000122212112
41302233332101021020
54004314110421412
6132334052201452
711621202535415
oct1625776211110
9383024018775
10123211420232
11482876a872a
121ba67309288
13b807624024
145d6ba6510c
153311dac722
hex1caff91248

123211420232 has 16 divisors (see below), whose sum is σ = 231032329260. Its totient is φ = 61602799104.

The previous prime is 123211420223. The next prime is 123211420259. The reversal of 123211420232 is 232024112321.

123211420232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 109909488676 + 13301931556 = 331526^2 + 115334^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123211420198 and 123211420207.

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 3 ways as a sum of consecutive naturals, for example, 178433 + ... + 527504.

Almost surely, 2123211420232 is an apocalyptic number.

It is an amenable number.

123211420232 is a deficient number, since it is larger than the sum of its proper divisors (107820909028).

123211420232 is a wasteful number, since it uses less digits than its factorization.

123211420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727760 (or 727756 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123211420232 its reverse (232024112321), we get a palindrome (355235532553).

The spelling of 123211420232 in words is "one hundred twenty-three billion, two hundred eleven million, four hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 21817 43634 87268 174536 705937 1411874 2823748 5647496 15401427529 30802855058 61605710116 123211420232