1323103511405 has 16 divisors (see below), whose sum is σ = 1711169201280. Its totient is φ = 976311137088.

The previous prime is 1323103511381. The next prime is 1323103511407. The reversal of 1323103511405 is 5041153013231.

It is a cyclic number.

It is not a de Polignac number, because 1323103511405 - 2⁶ = 1323103511341 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7726295 + ... + 7895684.

It is an arithmetic number, because the mean of its divisors is an integer number (106948075080).

Almost surely, 2^{1323103511405} is an apocalyptic number.

It is an amenable number.

1323103511405 is a deficient number, since it is larger than the sum of its proper divisors (388065689875).

1323103511405 is a wasteful number, since it uses less digits than its factorization.

1323103511405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15623300.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 1323103511405 its reverse (5041153013231), we get a palindrome (6364256524636).

The spelling of 1323103511405 in words is "one trillion, three hundred twenty-three billion, one hundred three million, five hundred eleven thousand, four hundred five".