1243323301100 has 18 divisors (see below), whose sum is σ = 2698011563604. Its totient is φ = 497329320400.

The previous prime is 1243323301081. The next prime is 1243323301123. The reversal of 1243323301100 is 11033233421.

It is a super-2 number, since 2×1243323301100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6216616406 + ... + 6216616605.

Almost surely, 2^{1243323301100} is an apocalyptic number.

1243323301100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243323301100 is an abundant number, since it is smaller than the sum of its proper divisors (1454688262504).

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

1243323301100 is a wasteful number, since it uses less digits than its factorization.

1243323301100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433233025 (or 12433233018 counting only the distinct ones).

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

Adding to 1243323301100 its reverse (11033233421), we get a palindrome (1254356534521).

The spelling of 1243323301100 in words is "one trillion, two hundred forty-three billion, three hundred twenty-three million, three hundred one thousand, one hundred".