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123103230 = 2354103441
BaseRepresentation
bin1110101011001…
…10011111111110
322120122021212220
413111212133332
5223003300410
620114310210
73023234355
oct725463776
9276567786
10123103230
1163541308
1235288366
131c672563
14124c699c
15ac1a070
hex75667fe

123103230 has 16 divisors (see below), whose sum is σ = 295447824. Its totient is φ = 32827520.

The previous prime is 123103219. The next prime is 123103243. The reversal of 123103230 is 32301321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2051691 + ... + 2051750.

It is an arithmetic number, because the mean of its divisors is an integer number (18465489).

Almost surely, 2123103230 is an apocalyptic number.

123103230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123103230 is an abundant number, since it is smaller than the sum of its proper divisors (172344594).

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

123103230 is a wasteful number, since it uses less digits than its factorization.

123103230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103451.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 123103230 is about 11095.1894981564. The cubic root of 123103230 is about 497.4580724411.

Adding to 123103230 its reverse (32301321), we get a palindrome (155404551).

The spelling of 123103230 in words is "one hundred twenty-three million, one hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4103441 8206882 12310323 20517205 24620646 41034410 61551615 123103230