1456823 has 2 divisors, whose sum is σ = 1456824. Its totient is φ = 1456822.

The previous prime is 1456799. The next prime is 1456837. The reversal of 1456823 is 3286541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1456823 - 2⁶ = 1456759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456123) 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, 728411 + 728412.

It is an arithmetic number, because the mean of its divisors is an integer number (728412).

2^1456823 is an apocalyptic number.

1456823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456823 is an equidigital number, since it uses as much as digits as its factorization.

1456823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 1456823 is about 1206.9892294466. The cubic root of 1456823 is about 113.3623733733.

The spelling of 1456823 in words is "one million, four hundred fifty-six thousand, eight hundred twenty-three".