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123223130 = 2517836911
BaseRepresentation
bin1110101100000…
…11110001011010
322120212101100122
413112003301122
5223021120010
620121033242
73024244052
oct726036132
9276771318
10123223130
11636133a8
1235325822
131c6b4cc4
1412518562
15ac40855
hex7583c5a

123223130 has 16 divisors (see below), whose sum is σ = 221958144. Its totient is φ = 49254480.

The previous prime is 123223103. The next prime is 123223181. The reversal of 123223130 is 31322321.

It is a junction number, because it is equal to n+sod(n) for n = 123223099 and 123223108.

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, 14375 + ... + 21285.

It is an arithmetic number, because the mean of its divisors is an integer number (13872384).

Almost surely, 2123223130 is an apocalyptic number.

123223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123223130 is a deficient number, since it is larger than the sum of its proper divisors (98735014).

123223130 is a wasteful number, since it uses less digits than its factorization.

123223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123223130 is about 11100.5914256854. The cubic root of 123223130 is about 497.6195246601.

Adding to 123223130 its reverse (31322321), we get a palindrome (154545451).

The spelling of 123223130 in words is "one hundred twenty-three million, two hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 1783 3566 6911 8915 13822 17830 34555 69110 12322313 24644626 61611565 123223130