1023323213 has 16 divisors (see below), whose sum is σ = 1143372672. Its totient is φ = 908040000.

The previous prime is 1023323207. The next prime is 1023323219. The reversal of 1023323213 is 3123233201.

It is an interprime number because it is at equal distance from previous prime (1023323207) and next prime (1023323219).

It is a cyclic number.

It is not a de Polignac number, because 1023323213 - 2²² = 1019128909 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 (1023323219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72395 + ... + 85367.

It is an arithmetic number, because the mean of its divisors is an integer number (71460792).

Almost surely, 2^1023323213 is an apocalyptic number.

It is an amenable number.

1023323213 is a deficient number, since it is larger than the sum of its proper divisors (120049459).

1023323213 is a wasteful number, since it uses less digits than its factorization.

1023323213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13156.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1023323213 is about 31989.4234552610. The cubic root of 1023323213 is about 1007.7147341573.

Adding to 1023323213 its reverse (3123233201), we get a palindrome (4146556414).

The spelling of 1023323213 in words is "one billion, twenty-three million, three hundred twenty-three thousand, two hundred thirteen".