1323343120023 has 14 divisors (see below), whose sum is σ = 1984107038384. Its totient is φ = 882228746196.

The previous prime is 1323343120007. The next prime is 1323343120037. The reversal of 1323343120023 is 3200213433231.

1323343120023 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 3 + 431 + 200 + 23 = 666.

It is not a de Polignac number, because 1323343120023 - 2⁴ = 1323343120007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323343120123) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 907642015 + ... + 907643472.

Almost surely, 2^{1323343120023} is an apocalyptic number.

1323343120023 is a deficient number, since it is larger than the sum of its proper divisors (660763918361).

1323343120023 is an frugal number, since it uses more digits than its factorization.

1323343120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815285505 (or 1815285490 counting only the distinct ones).

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

Adding to 1323343120023 its reverse (3200213433231), we get a palindrome (4523556553254).

The spelling of 1323343120023 in words is "one trillion, three hundred twenty-three billion, three hundred forty-three million, one hundred twenty thousand, twenty-three".