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248723 is a prime number
BaseRepresentation
bin111100101110010011
3110122011222
4330232103
530424343
65155255
72054066
oct745623
9418158
10248723
1115a962
12bbb2b
1389297
14668dd
154da68
hex3cb93

248723 has 2 divisors, whose sum is σ = 248724. Its totient is φ = 248722.

The previous prime is 248719. The next prime is 248737. The reversal of 248723 is 327842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248723 - 22 = 248719 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 248692 and 248701.

It is not a weakly prime, because it can be changed into another prime (248753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124361 + 124362.

It is an arithmetic number, because the mean of its divisors is an integer number (124362).

2248723 is an apocalyptic number.

248723 is a deficient number, since it is larger than the sum of its proper divisors (1).

248723 is an equidigital number, since it uses as much as digits as its factorization.

248723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 248723 is about 498.7213650928. The cubic root of 248723 is about 62.8886080658. Note that the first 3 decimals are identical.

The spelling of 248723 in words is "two hundred forty-eight thousand, seven hundred twenty-three".