1200320405223 has 16 divisors (see below), whose sum is σ = 1622956120800. Its totient is φ = 789022531584.

The previous prime is 1200320405213. The next prime is 1200320405239. The reversal of 1200320405223 is 3225040230021.

It is not a de Polignac number, because 1200320405223 - 2¹⁷ = 1200320274151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200320405193 and 1200320405202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200320405213) 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, 9107548 + ... + 9238401.

It is an arithmetic number, because the mean of its divisors is an integer number (101434757550).

Almost surely, 2^{1200320405223} is an apocalyptic number.

1200320405223 is a deficient number, since it is larger than the sum of its proper divisors (422635715577).

1200320405223 is a wasteful number, since it uses less digits than its factorization.

1200320405223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18346258.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 1200320405223 its reverse (3225040230021), we get a palindrome (4425360635244).

The spelling of 1200320405223 in words is "one trillion, two hundred billion, three hundred twenty million, four hundred five thousand, two hundred twenty-three".