1323201110023 has 12 divisors (see below), whose sum is σ = 1441605711720. Its totient is φ = 1213923031776.

The previous prime is 1323201110017. The next prime is 1323201110041. The reversal of 1323201110023 is 3200111023231.

It is a de Polignac number, because none of the positive numbers 2^k-1323201110023 is a prime.

It is a super-2 number, since 2×1323201110023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323201110003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23989608 + ... + 24044701.

It is an arithmetic number, because the mean of its divisors is an integer number (120133809310).

Almost surely, 2^{1323201110023} is an apocalyptic number.

1323201110023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1323201110023 is a deficient number, since it is larger than the sum of its proper divisors (118404601697).

1323201110023 is a wasteful number, since it uses less digits than its factorization.

1323201110023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48034498 (or 48034485 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1323201110023 its reverse (3200111023231), we get a palindrome (4523312133254).

The spelling of 1323201110023 in words is "one trillion, three hundred twenty-three billion, two hundred one million, one hundred ten thousand, twenty-three".