1323000855 has 48 divisors (see below), whose sum is σ = 2506117536. Its totient is φ = 640316160.

The previous prime is 1323000841. The next prime is 1323000859. The reversal of 1323000855 is 5580003231.

It is not a de Polignac number, because 1323000855 - 2⁷ = 1323000727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323000859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321189 + ... + 325281.

It is an arithmetic number, because the mean of its divisors is an integer number (52210782).

Almost surely, 2^1323000855 is an apocalyptic number.

1323000855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323000855 is a deficient number, since it is larger than the sum of its proper divisors (1183116681).

1323000855 is a wasteful number, since it uses less digits than its factorization.

1323000855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4765 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1323000855 is about 36373.0787121464. The cubic root of 1323000855 is about 1097.7919494926.

The spelling of 1323000855 in words is "one billion, three hundred twenty-three million, eight hundred fifty-five", and thus it is an aban number.