1313200323123 has 16 divisors (see below), whose sum is σ = 1885931809440. Its totient is φ = 807990061824.

The previous prime is 1313200323119. The next prime is 1313200323151. The reversal of 1313200323123 is 3213230023131.

It is not a de Polignac number, because 1313200323123 - 2² = 1313200323119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313200323093 and 1313200323102.

It is not an unprimeable number, because it can be changed into a prime (1313200323103) 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, 2535408 + ... + 3009101.

It is an arithmetic number, because the mean of its divisors is an integer number (117870738090).

Almost surely, 2^{1313200323123} is an apocalyptic number.

1313200323123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1313200323123 is a deficient number, since it is larger than the sum of its proper divisors (572731486317).

1313200323123 is a wasteful number, since it uses less digits than its factorization.

1313200323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550598.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1313200323123 its reverse (3213230023131), we get a palindrome (4526430346254).

The spelling of 1313200323123 in words is "one trillion, three hundred thirteen billion, two hundred million, three hundred twenty-three thousand, one hundred twenty-three".