76423 has 2 divisors, whose sum is σ = 76424. Its totient is φ = 76422.
The previous prime is 76421. The next prime is 76441. The reversal of 76423 is 32467.
It is a weak prime.
It is an emirp because it is prime and its reverse (32467) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 76423 - 21 = 76421 is a prime.
Together with 76421, it forms a pair of twin primes.
76423 is a lucky number.
It is equal to p7519 and since 76423 and 7519 have the same sum of digits, it is a Honaker prime.
It is a plaindrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 76394 and 76403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (76421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38211 + 38212.
It is an arithmetic number, because the mean of its divisors is an integer number (38212).
276423 is an apocalyptic number.
76423 is a deficient number, since it is larger than the sum of its proper divisors (1).
76423 is an equidigital number, since it uses as much as digits as its factorization.
76423 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1008, while the sum is 22.
The square root of 76423 is about 276.4471016307. The cubic root of 76423 is about 42.4366761690.
Subtracting from 76423 its reverse (32467), we obtain a triangular number (43956 = T296).
It can be divided in two parts, 764 and 23, that added together give a palindrome (787).
The spelling of 76423 in words is "seventy-six thousand, four hundred twenty-three".
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