1077823 has 2 divisors, whose sum is σ = 1077824. Its totient is φ = 1077822.

The previous prime is 1077821. The next prime is 1077827. The reversal of 1077823 is 3287701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1077823 - 2¹ = 1077821 is a prime.

Together with 1077821, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1077791 and 1077800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1077821) 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, 538911 + 538912.

It is an arithmetic number, because the mean of its divisors is an integer number (538912).

2^1077823 is an apocalyptic number.

1077823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077823 is an equidigital number, since it uses as much as digits as its factorization.

1077823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 1077823 is about 1038.1825465688. The cubic root of 1077823 is about 102.5295730651.

It can be divided in two parts, 10778 and 23, that added together give a palindrome (10801).

The spelling of 1077823 in words is "one million, seventy-seven thousand, eight hundred twenty-three".