1323717804 has 72 divisors (see below), whose sum is σ = 3512107872. Its totient is φ = 419569920.

The previous prime is 1323717779. The next prime is 1323717839. The reversal of 1323717804 is 4087173231.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138624 + ... + 147864.

It is an arithmetic number, because the mean of its divisors is an integer number (48779276).

Almost surely, 2^1323717804 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 1323717804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756053936).

1323717804 is an abundant number, since it is smaller than the sum of its proper divisors (2188390068).

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

1323717804 is a wasteful number, since it uses less digits than its factorization.

1323717804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447 (or 9442 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1323717804 is about 36382.9328669364. The cubic root of 1323717804 is about 1097.9902156055.

The spelling of 1323717804 in words is "one billion, three hundred twenty-three million, seven hundred seventeen thousand, eight hundred four".