1320143013123 has 16 divisors (see below), whose sum is σ = 2021271600000. Its totient is φ = 757976849280.

The previous prime is 1320143013121. The next prime is 1320143013131. The reversal of 1320143013123 is 3213103410231.

It is not a de Polignac number, because 1320143013123 - 2¹ = 1320143013121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320143013093 and 1320143013102.

It is not an unprimeable number, because it can be changed into a prime (1320143013121) 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, 1052744998 + ... + 1052746251.

It is an arithmetic number, because the mean of its divisors is an integer number (126329475000).

Almost surely, 2^{1320143013123} is an apocalyptic number.

1320143013123 is a deficient number, since it is larger than the sum of its proper divisors (701128586877).

1320143013123 is a wasteful number, since it uses less digits than its factorization.

1320143013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105491282.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1320143013123 its reverse (3213103410231), we get a palindrome (4533246423354).

The spelling of 1320143013123 in words is "one trillion, three hundred twenty billion, one hundred forty-three million, thirteen thousand, one hundred twenty-three".