1323403488 has 192 divisors, whose sum is σ = 4459069440. Its totient is φ = 377395200.

The previous prime is 1323403483. The next prime is 1323403513. The reversal of 1323403488 is 8843043231.

It is a happy number.

1323403488 is a `hidden beast` number, since 132 + 3 + 40 + 3 + 488 = 666.

It is a super-2 number, since 2×1323403488² = 3502793584101132288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323403483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157473 + ... + 165663.

It is an arithmetic number, because the mean of its divisors is an integer number (23224320).

Almost surely, 2^1323403488 is an apocalyptic number.

1323403488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323403488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2229534720).

1323403488 is an abundant number, since it is smaller than the sum of its proper divisors (3135665952).

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

1323403488 is a wasteful number, since it uses less digits than its factorization.

1323403488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8238 (or 8224 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 1323403488 is about 36378.6130576744. The cubic root of 1323403488 is about 1097.9033030196.

The spelling of 1323403488 in words is "one billion, three hundred twenty-three million, four hundred three thousand, four hundred eighty-eight".