1323300523243 has 16 divisors (see below), whose sum is σ = 1376682338304. Its totient is φ = 1270615207680.

The previous prime is 1323300523229. The next prime is 1323300523273. The reversal of 1323300523243 is 3423250033231.

It is a cyclic number.

It is not a de Polignac number, because 1323300523243 - 2³⁷ = 1185861569771 is a prime.

It is a super-2 number, since 2×1323300523243² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323300523273) 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, 2598171 + ... + 3065467.

It is an arithmetic number, because the mean of its divisors is an integer number (86042646144).

Almost surely, 2^{1323300523243} is an apocalyptic number.

1323300523243 is a deficient number, since it is larger than the sum of its proper divisors (53381815061).

1323300523243 is a wasteful number, since it uses less digits than its factorization.

1323300523243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468042.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 1323300523243 its reverse (3423250033231), we get a palindrome (4746550556474).

The spelling of 1323300523243 in words is "one trillion, three hundred twenty-three billion, three hundred million, five hundred twenty-three thousand, two hundred forty-three".