1323113320534 has 32 divisors (see below), whose sum is σ = 2098982810880. Its totient is φ = 623782661472.

The previous prime is 1323113320531. The next prime is 1323113320541. The reversal of 1323113320534 is 4350233113231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1323113320496 and 1323113320505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323113320531) 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, 29849692 + ... + 29893984.

It is an arithmetic number, because the mean of its divisors is an integer number (65593212840).

Almost surely, 2^{1323113320534} is an apocalyptic number.

1323113320534 is a deficient number, since it is larger than the sum of its proper divisors (775869490346).

1323113320534 is a wasteful number, since it uses less digits than its factorization.

1323113320534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48004.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 1323113320534 its reverse (4350233113231), we get a palindrome (5673346433765).

The spelling of 1323113320534 in words is "one trillion, three hundred twenty-three billion, one hundred thirteen million, three hundred twenty thousand, five hundred thirty-four".