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123400014 = 2323894203
BaseRepresentation
bin1110101101011…
…10111101001110
322121012100222220
413112232331032
5223042300024
620124520210
73025611543
oct726567516
9277170886
10123400014
1163724291
12353b0066
131c74767a
1412562bca
15ac77e79
hex75aef4e

123400014 has 16 divisors (see below), whose sum is σ = 257530752. Its totient is φ = 39344888.

The previous prime is 123399989. The next prime is 123400021. The reversal of 123400014 is 410004321.

It is a junction number, because it is equal to n+sod(n) for n = 123399966 and 123400002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446964 + ... + 447239.

It is an arithmetic number, because the mean of its divisors is an integer number (16095672).

Almost surely, 2123400014 is an apocalyptic number.

123400014 is an abundant number, since it is smaller than the sum of its proper divisors (134130738).

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

123400014 is a wasteful number, since it uses less digits than its factorization.

123400014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894231.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 123400014 is about 11108.5558917440. Note that the first 3 decimals coincide. The cubic root of 123400014 is about 497.8575179876.

Adding to 123400014 its reverse (410004321), we get a palindrome (533404335).

The spelling of 123400014 in words is "one hundred twenty-three million, four hundred thousand, fourteen".

Divisors: 1 2 3 6 23 46 69 138 894203 1788406 2682609 5365218 20566669 41133338 61700007 123400014