1323123113013 has 32 divisors (see below), whose sum is σ = 1926941103360. Its totient is φ = 802631047680.

The previous prime is 1323123112919. The next prime is 1323123113017. The reversal of 1323123113013 is 3103113213231.

It is not a de Polignac number, because 1323123113013 - 2²¹ = 1323121015861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323123113017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18608193 + ... + 18679161.

It is an arithmetic number, because the mean of its divisors is an integer number (60216909480).

Almost surely, 2^{1323123113013} is an apocalyptic number.

1323123113013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323123113013 is a deficient number, since it is larger than the sum of its proper divisors (603817990347).

1323123113013 is a wasteful number, since it uses less digits than its factorization.

1323123113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77789.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1323123113013 its reverse (3103113213231), we get a palindrome (4426236326244).

The spelling of 1323123113013 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-three million, one hundred thirteen thousand, thirteen".