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123341020 = 22511560641
BaseRepresentation
bin1110101101000…
…00100011011100
322121002101001221
413112200203130
5223033403040
620123343124
73025244545
oct726404334
9277071057
10123341020
1163693a30
1235381aa4
131c72686a
14125494cc
15ac6574a
hex75a08dc

123341020 has 24 divisors (see below), whose sum is σ = 282563568. Its totient is φ = 44851200.

The previous prime is 123340999. The next prime is 123341039. The reversal of 123341020 is 20143321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123340985 and 123341003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280101 + ... + 280540.

It is an arithmetic number, because the mean of its divisors is an integer number (11773482).

Almost surely, 2123341020 is an apocalyptic number.

123341020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123341020 is an abundant number, since it is smaller than the sum of its proper divisors (159222548).

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

123341020 is a wasteful number, since it uses less digits than its factorization.

123341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560661 (or 560659 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123341020 is about 11105.9002336596. The cubic root of 123341020 is about 497.7781682179.

Adding to 123341020 its reverse (20143321), we get a palindrome (143484341).

It can be divided in two parts, 123 and 341020, that added together give a palindrome (341143).

The spelling of 123341020 in words is "one hundred twenty-three million, three hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 560641 1121282 2242564 2803205 5606410 6167051 11212820 12334102 24668204 30835255 61670510 123341020