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56923 is a prime number
BaseRepresentation
bin1101111001011011
32220002021
431321123
53310143
61115311
7324646
oct157133
986067
1056923
1139849
1228b37
131cba9
1416a5d
1511ced
hexde5b

56923 has 2 divisors, whose sum is σ = 56924. Its totient is φ = 56922.

The previous prime is 56921. The next prime is 56929. The reversal of 56923 is 32965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56923 - 21 = 56921 is a prime.

It is a super-3 number, since 3×569233 = 553330483207401, which contains 333 as substring.

Together with 56921, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (56921) 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, 28461 + 28462.

It is an arithmetic number, because the mean of its divisors is an integer number (28462).

256923 is an apocalyptic number.

56923 is a deficient number, since it is larger than the sum of its proper divisors (1).

56923 is an equidigital number, since it uses as much as digits as its factorization.

56923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 56923 is about 238.5854144746. The cubic root of 56923 is about 38.4676739955.

It can be divided in two parts, 56 and 923, that added together give a palindrome (979).

The spelling of 56923 in words is "fifty-six thousand, nine hundred twenty-three".