1030023 has 8 divisors (see below), whose sum is σ = 1526000. Its totient is φ = 686664.

The previous prime is 1030021. The next prime is 1030027. The reversal of 1030023 is 3200301.

It is a happy number.

It is not a de Polignac number, because 1030023 - 2¹ = 1030021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

1030023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1029987 and 1030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19048 + ... + 19101.

It is an arithmetic number, because the mean of its divisors is an integer number (190750).

2^1030023 is an apocalyptic number.

1030023 is a deficient number, since it is larger than the sum of its proper divisors (495977).

1030023 is an equidigital number, since it uses as much as digits as its factorization.

1030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38158 (or 38152 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1030023 is about 1014.9004877327. The cubic root of 1030023 is about 100.9909151061.

Adding to 1030023 its reverse (3200301), we get a palindrome (4230324).

The spelling of 1030023 in words is "one million, thirty thousand, twenty-three".