1323759481 has 12 divisors (see below), whose sum is σ = 1466515456. Its totient is φ = 1193928120.

The previous prime is 1323759421. The next prime is 1323759509. The reversal of 1323759481 is 1849573231.

It is not a de Polignac number, because 1323759481 - 2¹⁷ = 1323628409 is a prime.

It is a super-2 number, since 2×1323759481² = 3504678327074778722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323759421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27705 + ... + 58438.

Almost surely, 2^1323759481 is an apocalyptic number.

1323759481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1323759481 is a deficient number, since it is larger than the sum of its proper divisors (142755975).

1323759481 is a wasteful number, since it uses less digits than its factorization.

1323759481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86292 (or 86281 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 1323759481 is about 36383.5056172436. The cubic root of 1323759481 is about 1098.0017388214.

The spelling of 1323759481 in words is "one billion, three hundred twenty-three million, seven hundred fifty-nine thousand, four hundred eighty-one".