1020430223 has 4 divisors (see below), whose sum is σ = 1020495168. Its totient is φ = 1020365280.

The previous prime is 1020430199. The next prime is 1020430237. The reversal of 1020430223 is 3220340201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1020430223 - 2¹⁴ = 1020413839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020460223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7490 + ... + 45792.

It is an arithmetic number, because the mean of its divisors is an integer number (255123792).

Almost surely, 2^1020430223 is an apocalyptic number.

1020430223 is a deficient number, since it is larger than the sum of its proper divisors (64945).

1020430223 is an equidigital number, since it uses as much as digits as its factorization.

1020430223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64944.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1020430223 is about 31944.1735375952. The cubic root of 1020430223 is about 1006.7642165432.

Adding to 1020430223 its reverse (3220340201), we get a palindrome (4240770424).

The spelling of 1020430223 in words is "one billion, twenty million, four hundred thirty thousand, two hundred twenty-three".