1023323216 has 10 divisors (see below), whose sum is σ = 1982688762. Its totient is φ = 511661600.

The previous prime is 1023323207. The next prime is 1023323219. The reversal of 1023323216 is 6123233201.

It can be written as a sum of positive squares in only one way, i.e., 906250816 + 117072400 = 30104^2 + 10820^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023323191 and 1023323200.

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31978835 + ... + 31978866.

Almost surely, 2^1023323216 is an apocalyptic number.

1023323216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1023323216 is a deficient number, since it is larger than the sum of its proper divisors (959365546).

1023323216 is an equidigital number, since it uses as much as digits as its factorization.

1023323216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63957709 (or 63957703 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1023323216 is about 31989.4235021515. The cubic root of 1023323216 is about 1007.7147351420.

Adding to 1023323216 its reverse (6123233201), we get a palindrome (7146556417).

The spelling of 1023323216 in words is "one billion, twenty-three million, three hundred twenty-three thousand, two hundred sixteen".