1323140024343 has 4 divisors (see below), whose sum is σ = 1764186699128. Its totient is φ = 882093349560.

The previous prime is 1323140024321. The next prime is 1323140024347. The reversal of 1323140024343 is 3434200413231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1323140024343 - 2¹⁸ = 1323139762199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323140024343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323140024347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220523337388 + ... + 220523337393.

It is an arithmetic number, because the mean of its divisors is an integer number (441046674782).

Almost surely, 2^{1323140024343} is an apocalyptic number.

1323140024343 is a deficient number, since it is larger than the sum of its proper divisors (441046674785).

1323140024343 is an equidigital number, since it uses as much as digits as its factorization.

1323140024343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441046674784.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1323140024343 its reverse (3434200413231), we get a palindrome (4757340437574).

The spelling of 1323140024343 in words is "one trillion, three hundred twenty-three billion, one hundred forty million, twenty-four thousand, three hundred forty-three".