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123020013014 = 22312301217409
BaseRepresentation
bin111001010010010010…
…0000110110111010110
3102202112110212011112022
41302210210012313112
54003421110404024
6132303053453142
711613356600033
oct1624444066726
9382473764468
10123020013014
1148199654648
121ba131a11b2
13b7a6a87c12
145d5047c38a
15330019e35e
hex1ca4906dd6

123020013014 has 16 divisors (see below), whose sum is σ = 192569603040. Its totient is φ = 58830604800.

The previous prime is 123020012981. The next prime is 123020013019. The reversal of 123020013014 is 410310020321.

It is a junction number, because it is equal to n+sod(n) for n = 123020012983 and 123020013001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020013019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457142 + ... + 674550.

It is an arithmetic number, because the mean of its divisors is an integer number (12035600190).

Almost surely, 2123020013014 is an apocalyptic number.

123020013014 is a deficient number, since it is larger than the sum of its proper divisors (69549590026).

123020013014 is a wasteful number, since it uses less digits than its factorization.

123020013014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229735.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123020013014 its reverse (410310020321), we get a palindrome (533330033335).

The spelling of 123020013014 in words is "one hundred twenty-three billion, twenty million, thirteen thousand, fourteen".

Divisors: 1 2 23 46 12301 24602 217409 282923 434818 565846 5000407 10000814 2674348109 5348696218 61510006507 123020013014