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120000223 = 723745343
BaseRepresentation
bin1110010011100…
…00111011011111
322100210122100201
413021300323133
5221210001343
615524004331
72654661610
oct711607337
9270718321
10120000223
1161811a42
12342306a7
131bb27065
1411d19c07
15a80594d
hex7270edf

120000223 has 8 divisors (see below), whose sum is σ = 143106048. Its totient is φ = 98385144.

The previous prime is 120000217. The next prime is 120000233. The reversal of 120000223 is 322000021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120000223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000203) 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, 372511 + ... + 372832.

It is an arithmetic number, because the mean of its divisors is an integer number (17888256).

Almost surely, 2120000223 is an apocalyptic number.

120000223 is a deficient number, since it is larger than the sum of its proper divisors (23105825).

120000223 is an equidigital number, since it uses as much as digits as its factorization.

120000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745373.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 120000223 is about 10954.4613286095. The cubic root of 120000223 is about 493.2427204022.

Adding to 120000223 its reverse (322000021), we get a palindrome (442000244).

The spelling of 120000223 in words is "one hundred twenty million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 7 23 161 745343 5217401 17142889 120000223