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123430627 = 237967931
BaseRepresentation
bin1110101101101…
…10011011100011
322121020220222201
413112312123203
5223044240002
620125314031
73026100025
oct726663343
9277226881
10123430627
1163745291
1235405917
131c758598
1412570015
15ac82087
hex75b66e3

123430627 has 8 divisors (see below), whose sum is σ = 130429440. Its totient is φ = 116567880.

The previous prime is 123430553. The next prime is 123430649. The reversal of 123430627 is 726034321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123430627 - 219 = 122906339 is a prime.

It is a super-2 number, since 2×1234306272 = 30470239363226258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123430595 and 123430604.

It is not an unprimeable number, because it can be changed into a prime (123433627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32149 + ... + 35782.

It is an arithmetic number, because the mean of its divisors is an integer number (16303680).

Almost surely, 2123430627 is an apocalyptic number.

123430627 is a deficient number, since it is larger than the sum of its proper divisors (6998813).

123430627 is an equidigital number, since it uses as much as digits as its factorization.

123430627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68033.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 123430627 is about 11109.9337081731. The cubic root of 123430627 is about 497.8986839799.

Adding to 123430627 its reverse (726034321), we get a palindrome (849464948).

The spelling of 123430627 in words is "one hundred twenty-three million, four hundred thirty thousand, six hundred twenty-seven".

Divisors: 1 23 79 1817 67931 1562413 5366549 123430627