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120028723 is a prime number
BaseRepresentation
bin1110010011101…
…11111000110011
322100212002110021
413021313320303
5221211404343
615524344311
72655140653
oct711677063
9270762407
10120028723
11618313a1
1234245097
131bb37019
1411d26363
15a80e0ed
hex7277e33

120028723 has 2 divisors, whose sum is σ = 120028724. Its totient is φ = 120028722.

The previous prime is 120028679. The next prime is 120028801. The reversal of 120028723 is 327820021.

It is a weak prime.

It is an emirp because it is prime and its reverse (327820021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120028723 is a prime.

It is not a weakly prime, because it can be changed into another prime (120028123) 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 as a sum of consecutive naturals, namely, 60014361 + 60014362.

It is an arithmetic number, because the mean of its divisors is an integer number (60014362).

Almost surely, 2120028723 is an apocalyptic number.

120028723 is a deficient number, since it is larger than the sum of its proper divisors (1).

120028723 is an equidigital number, since it uses as much as digits as its factorization.

120028723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 120028723 is about 10955.7620912468. The cubic root of 120028723 is about 493.2817656207.

Adding to 120028723 its reverse (327820021), we get a palindrome (447848744).

The spelling of 120028723 in words is "one hundred twenty million, twenty-eight thousand, seven hundred twenty-three".