1003323380 has 24 divisors (see below), whose sum is σ = 2128704648. Its totient is φ = 397191168.

The previous prime is 1003323281. The next prime is 1003323383. The reversal of 1003323380 is 833233001.

It can be written as a sum of positive squares in 4 ways, for example, as 177795556 + 825527824 = 13334^2 + 28732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003323383) 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, 256649 + ... + 260528.

It is an arithmetic number, because the mean of its divisors is an integer number (88696027).

Almost surely, 2^1003323380 is an apocalyptic number.

1003323380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003323380 is an abundant number, since it is smaller than the sum of its proper divisors (1125381268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003323380 is a wasteful number, since it uses less digits than its factorization.

1003323380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517283 (or 517281 counting only the distinct ones).

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

The square root of 1003323380 is about 31675.2802671105. The cubic root of 1003323380 is about 1001.1065683881.

Adding to 1003323380 its reverse (833233001), we get a palindrome (1836556381).

The spelling of 1003323380 in words is "one billion, three million, three hundred twenty-three thousand, three hundred eighty".