1323103511400 has 96 divisors (see below), whose sum is σ = 4474495533600. Its totient is φ = 320752364800.

The previous prime is 1323103511381. The next prime is 1323103511407. The reversal of 1323103511400 is 41153013231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1323103511407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100228515 + ... + 100241714.

It is an arithmetic number, because the mean of its divisors is an integer number (46609328475).

Almost surely, 2^{1323103511400} is an apocalyptic number.

1323103511400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323103511400 is an abundant number, since it is smaller than the sum of its proper divisors (3151392022200).

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

1323103511400 is a wasteful number, since it uses less digits than its factorization.

1323103511400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200470259 (or 200470250 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1323103511400 its reverse (41153013231), we get a palindrome (1364256524631).

The spelling of 1323103511400 in words is "one trillion, three hundred twenty-three billion, one hundred three million, five hundred eleven thousand, four hundred".