1020331223 has 4 divisors (see below), whose sum is σ = 1025167128. Its totient is φ = 1015495320.

The previous prime is 1020331199. The next prime is 1020331229. The reversal of 1020331223 is 3221330201.

1020331223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020331223 - 2²⁰ = 1019282647 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 (1020331229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417636 + ... + 2418057.

It is an arithmetic number, because the mean of its divisors is an integer number (256291782).

Almost surely, 2^1020331223 is an apocalyptic number.

1020331223 is a deficient number, since it is larger than the sum of its proper divisors (4835905).

1020331223 is an equidigital number, since it uses as much as digits as its factorization.

1020331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835904.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1020331223 is about 31942.6239216505. The cubic root of 1020331223 is about 1006.7316574393.

Adding to 1020331223 its reverse (3221330201), we get a palindrome (4241661424).

The spelling of 1020331223 in words is "one billion, twenty million, three hundred thirty-one thousand, two hundred twenty-three".