1323044560 has 20 divisors (see below), whose sum is σ = 3076078788. Its totient is φ = 529217792.

The previous prime is 1323044531. The next prime is 1323044581. The reversal of 1323044560 is 654403231.

It can be written as a sum of positive squares in 2 ways, for example, as 287234704 + 1035809856 = 16948^2 + 32184^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×1323044560⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8268949 + ... + 8269108.

Almost surely, 2^1323044560 is an apocalyptic number.

1323044560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323044560 is an abundant number, since it is smaller than the sum of its proper divisors (1753034228).

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

1323044560 is a wasteful number, since it uses less digits than its factorization.

1323044560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16538070 (or 16538064 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1323044560 is about 36373.6794949315. The cubic root of 1323044560 is about 1097.8040377863.

Adding to 1323044560 its reverse (654403231), we get a palindrome (1977447791).

The spelling of 1323044560 in words is "one billion, three hundred twenty-three million, forty-four thousand, five hundred sixty".