1323301504 has 128 divisors (see below), whose sum is σ = 3171628800. Its totient is φ = 537698304.

The previous prime is 1323301489. The next prime is 1323301537. The reversal of 1323301504 is 4051033231.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1323301504² = 3502253740977324032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3235252 + ... + 3235660.

It is an arithmetic number, because the mean of its divisors is an integer number (24778350).

Almost surely, 2^1323301504 is an apocalyptic number.

1323301504 is a gapful number since it is divisible by the number (14) 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 1323301504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585814400).

1323301504 is an abundant number, since it is smaller than the sum of its proper divisors (1848327296).

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

1323301504 is a wasteful number, since it uses less digits than its factorization.

1323301504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1323301504 is about 36377.2113279729. The cubic root of 1323301504 is about 1097.8751001201.

Adding to 1323301504 its reverse (4051033231), we get a palindrome (5374334735).

The spelling of 1323301504 in words is "one billion, three hundred twenty-three million, three hundred one thousand, five hundred four".