1323103122 has 48 divisors (see below), whose sum is σ = 3144697920. Its totient is φ = 398714400.

The previous prime is 1323103039. The next prime is 1323103123. The reversal of 1323103122 is 2213013231.

It is a super-2 number, since 2×1323103122² = 3501203742892293768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1323103095 and 1323103104.

It is not an unprimeable number, because it can be changed into a prime (1323103123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17379 + ... + 54297.

It is an arithmetic number, because the mean of its divisors is an integer number (65514540).

Almost surely, 2^1323103122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323103122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572348960).

1323103122 is an abundant number, since it is smaller than the sum of its proper divisors (1821594798).

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

1323103122 is a wasteful number, since it uses less digits than its factorization.

1323103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37119 (or 37116 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1323103122 is about 36374.4844911924. The cubic root of 1323103122 is about 1097.8202349358.

Adding to 1323103122 its reverse (2213013231), we get a palindrome (3536116353).

The spelling of 1323103122 in words is "one billion, three hundred twenty-three million, one hundred three thousand, one hundred twenty-two".