1200320023113 has 12 divisors (see below), whose sum is σ = 1737657054900. Its totient is φ = 798431133696.

The previous prime is 1200320023103. The next prime is 1200320023297. The reversal of 1200320023113 is 3113200230021.

It can be written as a sum of positive squares in 2 ways, for example, as 503407278144 + 696912744969 = 709512^2 + 834813^2 .

It is not a de Polignac number, because 1200320023113 - 2¹⁰ = 1200320022089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200320023103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148513656 + ... + 148521737.

It is an arithmetic number, because the mean of its divisors is an integer number (144804754575).

Almost surely, 2^{1200320023113} is an apocalyptic number.

It is an amenable number.

1200320023113 is a deficient number, since it is larger than the sum of its proper divisors (537337031787).

1200320023113 is a wasteful number, since it uses less digits than its factorization.

1200320023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297035848 (or 297035845 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1200320023113 its reverse (3113200230021), we get a palindrome (4313520253134).

The spelling of 1200320023113 in words is "one trillion, two hundred billion, three hundred twenty million, twenty-three thousand, one hundred thirteen".