1323123303100 has 36 divisors (see below), whose sum is σ = 2897518670200. Its totient is φ = 524393818560.

The previous prime is 1323123303097. The next prime is 1323123303107. The reversal of 1323123303100 is 13033213231.

It is a super-2 number, since 2×1323123303100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323123303107) 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 in 11 ways as a sum of consecutive naturals, for example, 60682830 + ... + 60704629.

Almost surely, 2^{1323123303100} is an apocalyptic number.

1323123303100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323123303100 is an abundant number, since it is smaller than the sum of its proper divisors (1574395367100).

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

1323123303100 is a wasteful number, since it uses less digits than its factorization.

1323123303100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121387582 (or 121387575 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1323123303100 its reverse (13033213231), we get a palindrome (1336156516331).

The spelling of 1323123303100 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-three million, three hundred three thousand, one hundred".