5400823 has 2 divisors, whose sum is σ = 5400824. Its totient is φ = 5400822.

The previous prime is 5400821. The next prime is 5400827. The reversal of 5400823 is 3280045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5400823 - 2¹ = 5400821 is a prime.

Together with 5400821, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5400794 and 5400803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5400821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700411 + 2700412.

It is an arithmetic number, because the mean of its divisors is an integer number (2700412).

Almost surely, 2^5400823 is an apocalyptic number.

5400823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5400823 is an equidigital number, since it uses as much as digits as its factorization.

5400823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5400823 is about 2323.9670823831. The cubic root of 5400823 is about 175.4499766793.

Adding to 5400823 its reverse (3280045), we get a palindrome (8680868).

The spelling of 5400823 in words is "five million, four hundred thousand, eight hundred twenty-three".