1323023516 has 12 divisors (see below), whose sum is σ = 2333522688. Its totient is φ = 656302752.

The previous prime is 1323023497. The next prime is 1323023593. The reversal of 1323023516 is 6153203231.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1301681 + ... + 1302696.

It is an arithmetic number, because the mean of its divisors is an integer number (194460224).

Almost surely, 2^1323023516 is an apocalyptic number.

It is an amenable number.

1323023516 is a deficient number, since it is larger than the sum of its proper divisors (1010499172).

1323023516 is a wasteful number, since it uses less digits than its factorization.

1323023516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604508 (or 2604506 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1323023516 is about 36373.3902186750. The cubic root of 1323023516 is about 1097.7982172944.

Adding to 1323023516 its reverse (6153203231), we get a palindrome (7476226747).

The spelling of 1323023516 in words is "one billion, three hundred twenty-three million, twenty-three thousand, five hundred sixteen".