1030823 has 2 divisors, whose sum is σ = 1030824. Its totient is φ = 1030822.

The previous prime is 1030817. The next prime is 1030831. The reversal of 1030823 is 3280301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1030823 - 2⁶ = 1030759 is a prime.

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515411 + 515412.

It is an arithmetic number, because the mean of its divisors is an integer number (515412).

2^1030823 is an apocalyptic number.

1030823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030823 is an equidigital number, since it uses as much as digits as its factorization.

1030823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1030823 is about 1015.2945385453. The cubic root of 1030823 is about 101.0170542714.

The spelling of 1030823 in words is "one million, thirty thousand, eight hundred twenty-three".