1323564264 has 96 divisors (see below), whose sum is σ = 3940691040. Its totient is φ = 397987200.

The previous prime is 1323564181. The next prime is 1323564269. The reversal of 1323564264 is 4624653231.

1323564264 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 5 + 642 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1323564269) 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 23 ways as a sum of consecutive naturals, for example, 97374 + ... + 110130.

It is an arithmetic number, because the mean of its divisors is an integer number (41048865).

Almost surely, 2^1323564264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323564264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1970345520).

1323564264 is an abundant number, since it is smaller than the sum of its proper divisors (2617126776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323564264 is a wasteful number, since it uses less digits than its factorization.

1323564264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911 (or 12904 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 1323564264 is about 36380.8227504547. The cubic root of 1323564264 is about 1097.9477614571.

The spelling of 1323564264 in words is "one billion, three hundred twenty-three million, five hundred sixty-four thousand, two hundred sixty-four".