1322123340043 has 64 divisors (see below), whose sum is σ = 1559107440000. Its totient is φ = 1107883008000.

The previous prime is 1322123340001. The next prime is 1322123340061. The reversal of 1322123340043 is 3400433212231.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322123340043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322123339993 and 1322123340020.

It is not an unprimeable number, because it can be changed into a prime (1322123340143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 695487393 + ... + 695489293.

It is an arithmetic number, because the mean of its divisors is an integer number (24361053750).

Almost surely, 2^{1322123340043} is an apocalyptic number.

1322123340043 is a deficient number, since it is larger than the sum of its proper divisors (236984099957).

1322123340043 is a wasteful number, since it uses less digits than its factorization.

1322123340043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1322123340043 its reverse (3400433212231), we get a palindrome (4722556552274).

The spelling of 1322123340043 in words is "one trillion, three hundred twenty-two billion, one hundred twenty-three million, three hundred forty thousand, forty-three".