1320223231323 has 12 divisors (see below), whose sum is σ = 1908678222360. Its totient is φ = 879369231456.

The previous prime is 1320223231307. The next prime is 1320223231331. The reversal of 1320223231323 is 3231323220231.

1320223231323 is a `hidden beast` number, since 1 + 3 + 202 + 2 + 323 + 132 + 3 = 666.

It is not a de Polignac number, because 1320223231323 - 2⁴ = 1320223231307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320223235323) 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, 64955061 + ... + 64975382.

It is an arithmetic number, because the mean of its divisors is an integer number (159056518530).

Almost surely, 2^{1320223231323} is an apocalyptic number.

1320223231323 is a deficient number, since it is larger than the sum of its proper divisors (588454991037).

1320223231323 is a wasteful number, since it uses less digits than its factorization.

1320223231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129931578 (or 129931575 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1320223231323 its reverse (3231323220231), we get a palindrome (4551546451554).

The spelling of 1320223231323 in words is "one trillion, three hundred twenty billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty-three".