1323103010103 has 120 divisors (see below), whose sum is σ = 2336303574000. Its totient is φ = 743943916800.

The previous prime is 1323103010071. The next prime is 1323103010147. The reversal of 1323103010103 is 3010103013231.

It is a happy number.

It is not a de Polignac number, because 1323103010103 - 2⁵ = 1323103010071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323103010503) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 65331523 + ... + 65351771.

It is an arithmetic number, because the mean of its divisors is an integer number (19469196450).

Almost surely, 2^{1323103010103} is an apocalyptic number.

1323103010103 is a deficient number, since it is larger than the sum of its proper divisors (1013200563897).

1323103010103 is a wasteful number, since it uses less digits than its factorization.

1323103010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20539 (or 20523 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1323103010103 its reverse (3010103013231), we get a palindrome (4333206023334).

It can be divided in two parts, 132310 and 3010103, that added together give a palindrome (3142413).

The spelling of 1323103010103 in words is "one trillion, three hundred twenty-three billion, one hundred three million, ten thousand, one hundred three".