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123031223134 = 264499538783
BaseRepresentation
bin111001010010100111…
…0110111101101011110
3102202120020221200220221
41302211032313231132
54003431443120014
6132304134031554
711613554066431
oct1624516675536
9382506850827
10123031223134
11481a4a10a06
121ba16aa85ba
13b7a91b1521
145d51b59818
153301165b24
hex1ca53b7b5e

123031223134 has 8 divisors (see below), whose sum is σ = 184575470400. Its totient is φ = 61506066336.

The previous prime is 123031223129. The next prime is 123031223167. The reversal of 123031223134 is 431322130321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123031223099 and 123031223108.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4756494 + ... + 4782289.

It is an arithmetic number, because the mean of its divisors is an integer number (23071933800).

Almost surely, 2123031223134 is an apocalyptic number.

123031223134 is a deficient number, since it is larger than the sum of its proper divisors (61544247266).

123031223134 is an equidigital number, since it uses as much as digits as its factorization.

123031223134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545234.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123031223134 its reverse (431322130321), we get a palindrome (554353353455).

The spelling of 123031223134 in words is "one hundred twenty-three billion, thirty-one million, two hundred twenty-three thousand, one hundred thirty-four".

Divisors: 1 2 6449 12898 9538783 19077566 61515611567 123031223134